Home / 552,481.04-762,391.56-307,459.28

Finding the Fourth Proportional to 552,481.04, 762,391.56 and 307,459.28

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Solution

The fourth proportional to 552,481.04, 762,391.56 and 307,459.28 is: 424,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,481.04 : 762,391.56 = 307,459.28 : x
  2. Step 2: Convert to fraction form
    552,481.04/762,391.56 = 307,459.28/x
  3. Step 3: Cross multiply
    552,481.04x = 762,391.56 × 307,459.28
  4. Step 4: Simplify right side
    552,481.04x = 234,404,360,115.68
  5. Step 5: Solve for x
    x = 234,404,360,115.68/552,481.04
  6. Step 6: Final answer
    x = 424,275.85

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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.