Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

Text: american tower corporation and subsidiaries notes to consolidated financial statements 2014 ( continued ) operations , net , in the accompanying consolidated statements of operations for the year ended december 31 , 2003 . ( see note 9. ) other transactions 2014in august 2003 , the company consummated the sale of galaxy engineering ( galaxy ) , a radio frequency engineering , network design and tower-related consulting business ( previously included in the company 2019s network development services segment ) . the purchase price of approximately $ 3.5 million included $ 2.0 million in cash , which the company received at closing , and an additional $ 1.5 million payable on january 15 , 2008 , or at an earlier date based on the future revenues of galaxy . the company received $ 0.5 million of this amount in january 2005 . pursuant to this transaction , the company recorded a net loss on disposal of approximately $ 2.4 million in the accompanying consolidated statement of operations for the year ended december 31 , 2003 . in may 2003 , the company consummated the sale of an office building in westwood , massachusetts ( previously held primarily as rental property and included in the company 2019s rental and management segment ) for a purchase price of approximately $ 18.5 million , including $ 2.4 million of cash proceeds and the buyer 2019s assumption of $ 16.1 million of related mortgage notes . pursuant to this transaction , the company recorded a net loss on disposal of approximately $ 3.6 million in the accompanying consolidated statement of operations for the year ended december 31 , 2003 . in january 2003 , the company consummated the sale of flash technologies , its remaining components business ( previously included in the company 2019s network development services segment ) for approximately $ 35.5 million in cash and has recorded a net gain on disposal of approximately $ 0.1 million in the accompanying consolidated statement of operations for the year ended december 31 , 2003 . in march 2003 , the company consummated the sale of an office building in schaumburg , illinois ( previously held primarily as rental property and included in the company 2019s rental and management segment ) for net proceeds of approximately $ 10.3 million in cash and recorded a net loss on disposal of $ 0.1 million in the accompanying consolidated statement of operations for the year ended december 31 , 2003 . 4 . property and equipment property and equipment ( including assets held under capital leases ) consist of the following as of december 31 , ( in thousands ) : . <table class='wikitable'><tr><td>1</td><td>-</td><td>2005</td><td>2004</td></tr><tr><td>2</td><td>towers</td><td>$ 4134155</td><td>$ 2788162</td></tr><tr><td>3</td><td>equipment</td><td>167504</td><td>115244</td></tr><tr><td>4</td><td>buildings and improvements</td><td>184951</td><td>162120</td></tr><tr><td>5</td><td>land and improvements</td><td>215974</td><td>176937</td></tr><tr><td>6</td><td>construction-in-progress</td><td>36991</td><td>27866</td></tr><tr><td>7</td><td>total</td><td>4739575</td><td>3270329</td></tr><tr><td>8</td><td>less accumulated depreciation and amortization</td><td>-1279049 ( 1279049 )</td><td>-996973 ( 996973 )</td></tr><tr><td>9</td><td>property and equipment net</td><td>$ 3460526</td><td>$ 2273356</td></tr></table> 5 . goodwill and other intangible assets the company 2019s net carrying amount of goodwill was approximately $ 2.1 billion as of december 312005 and $ 592.7 million as of december 31 , 2004 , all of which related to its rental and management segment . the increase in the carrying value was as a result of the goodwill of $ 1.5 billion acquired in the merger with spectrasite , inc . ( see note 2. ) .
Question: what was the amount of property and equipment net in 2005?
Answer: 3460526.0
Question: and what was it in 2004?
Answer: 2273356.0
Question: what was, then, the increase over the year?
Answer: 1187170.0
Question: and what is this increase as a percentage of the 2004 amount?
Answer: 0.52221
Question: and what was the increase in the amount of total property and equipment in that same period?
Answer: 1469246.0
Question: how much did this increase represent in relation to that amount in 2004, in percentage?

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