Home / 747,131.64-1,031,036.85-424,841.73

Finding the Fourth Proportional to 747,131.64, 1,031,036.85 and 424,841.73

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Solution

The fourth proportional to 747,131.64, 1,031,036.85 and 424,841.73 is: 586,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,131.64 : 1,031,036.85 = 424,841.73 : x
  2. Step 2: Convert to fraction form
    747,131.64/1,031,036.85 = 424,841.73/x
  3. Step 3: Cross multiply
    747,131.64x = 1,031,036.85 × 424,841.73
  4. Step 4: Simplify right side
    747,131.64x = 438,027,479,047.75
  5. Step 5: Solve for x
    x = 438,027,479,047.75/747,131.64
  6. Step 6: Final answer
    x = 586,278.85

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Double scale
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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.