Home / 718,540.04-991,279.68-527,221.28

Finding the Fourth Proportional to 718,540.04, 991,279.68 and 527,221.28

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Solution

The fourth proportional to 718,540.04, 991,279.68 and 527,221.28 is: 727,341.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,540.04 : 991,279.68 = 527,221.28 : x
  2. Step 2: Convert to fraction form
    718,540.04/991,279.68 = 527,221.28/x
  3. Step 3: Cross multiply
    718,540.04x = 991,279.68 × 527,221.28
  4. Step 4: Simplify right side
    718,540.04x = 522,623,741,727.59
  5. Step 5: Solve for x
    x = 522,623,741,727.59/718,540.04
  6. Step 6: Final answer
    x = 727,341.15

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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.