Home / 516,192.76-712,350.88-283,624.55

Finding the Fourth Proportional to 516,192.76, 712,350.88 and 283,624.55

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Solution

The fourth proportional to 516,192.76, 712,350.88 and 283,624.55 is: 391,404.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,192.76 : 712,350.88 = 283,624.55 : x
  2. Step 2: Convert to fraction form
    516,192.76/712,350.88 = 283,624.55/x
  3. Step 3: Cross multiply
    516,192.76x = 712,350.88 × 283,624.55
  4. Step 4: Simplify right side
    516,192.76x = 202,040,193,511.29
  5. Step 5: Solve for x
    x = 202,040,193,511.29/516,192.76
  6. Step 6: Final answer
    x = 391,404.55

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1.5x scale

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.