Home / 709,861.56-1,063,714.94-520,448.01

Finding the Fourth Proportional to 709,861.56, 1,063,714.94 and 520,448.01

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Solution

The fourth proportional to 709,861.56, 1,063,714.94 and 520,448.01 is: 779,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,861.56 : 1,063,714.94 = 520,448.01 : x
  2. Step 2: Convert to fraction form
    709,861.56/1,063,714.94 = 520,448.01/x
  3. Step 3: Cross multiply
    709,861.56x = 1,063,714.94 × 520,448.01
  4. Step 4: Simplify right side
    709,861.56x = 553,608,321,128.03
  5. Step 5: Solve for x
    x = 553,608,321,128.03/709,861.56
  6. Step 6: Final answer
    x = 779,882.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.