Home / 739,472.88-1,109,209.32-240,836.88

Finding the Fourth Proportional to 739,472.88, 1,109,209.32 and 240,836.88

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Solution

The fourth proportional to 739,472.88, 1,109,209.32 and 240,836.88 is: 361,255.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,472.88 : 1,109,209.32 = 240,836.88 : x
  2. Step 2: Convert to fraction form
    739,472.88/1,109,209.32 = 240,836.88/x
  3. Step 3: Cross multiply
    739,472.88x = 1,109,209.32 × 240,836.88
  4. Step 4: Simplify right side
    739,472.88x = 267,138,511,895.72
  5. Step 5: Solve for x
    x = 267,138,511,895.72/739,472.88
  6. Step 6: Final answer
    x = 361,255.32

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.