Home / 747,714.52-1,031,845.76-408,182.76

Finding the Fourth Proportional to 747,714.52, 1,031,845.76 and 408,182.76

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Solution

The fourth proportional to 747,714.52, 1,031,845.76 and 408,182.76 is: 563,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,714.52 : 1,031,845.76 = 408,182.76 : x
  2. Step 2: Convert to fraction form
    747,714.52/1,031,845.76 = 408,182.76/x
  3. Step 3: Cross multiply
    747,714.52x = 1,031,845.76 × 408,182.76
  4. Step 4: Simplify right side
    747,714.52x = 421,181,650,211.10
  5. Step 5: Solve for x
    x = 421,181,650,211.10/747,714.52
  6. Step 6: Final answer
    x = 563,292.06

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Double scale
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Similar ratio
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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.