Home / 739,479.13-1,109,218.71-240,843.13

Finding the Fourth Proportional to 739,479.13, 1,109,218.71 and 240,843.13

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Solution

The fourth proportional to 739,479.13, 1,109,218.71 and 240,843.13 is: 361,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,479.13 : 1,109,218.71 = 240,843.13 : x
  2. Step 2: Convert to fraction form
    739,479.13/1,109,218.71 = 240,843.13/x
  3. Step 3: Cross multiply
    739,479.13x = 1,109,218.71 × 240,843.13
  4. Step 4: Simplify right side
    739,479.13x = 267,147,705,970.96
  5. Step 5: Solve for x
    x = 267,147,705,970.96/739,479.13
  6. Step 6: Final answer
    x = 361,264.70

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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.