Home / 531,780.68-734,128.17-410,650.04

Finding the Fourth Proportional to 531,780.68, 734,128.17 and 410,650.04

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Solution

The fourth proportional to 531,780.68, 734,128.17 and 410,650.04 is: 566,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,780.68 : 734,128.17 = 410,650.04 : x
  2. Step 2: Convert to fraction form
    531,780.68/734,128.17 = 410,650.04/x
  3. Step 3: Cross multiply
    531,780.68x = 734,128.17 × 410,650.04
  4. Step 4: Simplify right side
    531,780.68x = 301,469,762,375.63
  5. Step 5: Solve for x
    x = 301,469,762,375.63/531,780.68
  6. Step 6: Final answer
    x = 566,906.20

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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.