Home / 741,213.18-1,022,983.92-469,306.38

Finding the Fourth Proportional to 741,213.18, 1,022,983.92 and 469,306.38

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Solution

The fourth proportional to 741,213.18, 1,022,983.92 and 469,306.38 is: 647,712.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,213.18 : 1,022,983.92 = 469,306.38 : x
  2. Step 2: Convert to fraction form
    741,213.18/1,022,983.92 = 469,306.38/x
  3. Step 3: Cross multiply
    741,213.18x = 1,022,983.92 × 469,306.38
  4. Step 4: Simplify right side
    741,213.18x = 480,092,880,293.41
  5. Step 5: Solve for x
    x = 480,092,880,293.41/741,213.18
  6. Step 6: Final answer
    x = 647,712.28

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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.