Home / 1,151,753.60-1,589,409.12-635,512.16

Finding the Fourth Proportional to 1,151,753.60, 1,589,409.12 and 635,512.16

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Solution

The fourth proportional to 1,151,753.60, 1,589,409.12 and 635,512.16 is: 877,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,753.60 : 1,589,409.12 = 635,512.16 : x
  2. Step 2: Convert to fraction form
    1,151,753.60/1,589,409.12 = 635,512.16/x
  3. Step 3: Cross multiply
    1,151,753.60x = 1,589,409.12 × 635,512.16
  4. Step 4: Simplify right side
    1,151,753.60x = 1,010,088,822,974.90
  5. Step 5: Solve for x
    x = 1,010,088,822,974.90/1,151,753.60
  6. Step 6: Final answer
    x = 877,000.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.