Home / 739,475.14-1,109,212.70-240,839.14

Finding the Fourth Proportional to 739,475.14, 1,109,212.70 and 240,839.14

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Solution

The fourth proportional to 739,475.14, 1,109,212.70 and 240,839.14 is: 361,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,475.14 : 1,109,212.70 = 240,839.14 : x
  2. Step 2: Convert to fraction form
    739,475.14/1,109,212.70 = 240,839.14/x
  3. Step 3: Cross multiply
    739,475.14x = 1,109,212.70 × 240,839.14
  4. Step 4: Simplify right side
    739,475.14x = 267,141,832,745.08
  5. Step 5: Solve for x
    x = 267,141,832,745.08/739,475.14
  6. Step 6: Final answer
    x = 361,258.71

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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.