Home / 552,340.14-762,072.17-331,487.72

Finding the Fourth Proportional to 552,340.14, 762,072.17 and 331,487.72

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Solution

The fourth proportional to 552,340.14, 762,072.17 and 331,487.72 is: 457,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,340.14 : 762,072.17 = 331,487.72 : x
  2. Step 2: Convert to fraction form
    552,340.14/762,072.17 = 331,487.72/x
  3. Step 3: Cross multiply
    552,340.14x = 762,072.17 × 331,487.72
  4. Step 4: Simplify right side
    552,340.14x = 252,617,566,108.75
  5. Step 5: Solve for x
    x = 252,617,566,108.75/552,340.14
  6. Step 6: Final answer
    x = 457,358.70

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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.