Home / 743,179.52-1,025,582.10-403,650.20

Finding the Fourth Proportional to 743,179.52, 1,025,582.10 and 403,650.20

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Solution

The fourth proportional to 743,179.52, 1,025,582.10 and 403,650.20 is: 557,034.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,179.52 : 1,025,582.10 = 403,650.20 : x
  2. Step 2: Convert to fraction form
    743,179.52/1,025,582.10 = 403,650.20/x
  3. Step 3: Cross multiply
    743,179.52x = 1,025,582.10 × 403,650.20
  4. Step 4: Simplify right side
    743,179.52x = 413,976,419,781.42
  5. Step 5: Solve for x
    x = 413,976,419,781.42/743,179.52
  6. Step 6: Final answer
    x = 557,034.21

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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.