Home / 861,373.31-1,292,178.15-292,601.70

Finding the Fourth Proportional to 861,373.31, 1,292,178.15 and 292,601.70

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Solution

The fourth proportional to 861,373.31, 1,292,178.15 and 292,601.70 is: 438,942.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,373.31 : 1,292,178.15 = 292,601.70 : x
  2. Step 2: Convert to fraction form
    861,373.31/1,292,178.15 = 292,601.70/x
  3. Step 3: Cross multiply
    861,373.31x = 1,292,178.15 × 292,601.70
  4. Step 4: Simplify right side
    861,373.31x = 378,093,523,392.86
  5. Step 5: Solve for x
    x = 378,093,523,392.86/861,373.31
  6. Step 6: Final answer
    x = 438,942.70

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.