Home / 739,474.13-1,109,211.20-240,838.13

Finding the Fourth Proportional to 739,474.13, 1,109,211.20 and 240,838.13

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Solution

The fourth proportional to 739,474.13, 1,109,211.20 and 240,838.13 is: 361,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,474.13 : 1,109,211.20 = 240,838.13 : x
  2. Step 2: Convert to fraction form
    739,474.13/1,109,211.20 = 240,838.13/x
  3. Step 3: Cross multiply
    739,474.13x = 1,109,211.20 × 240,838.13
  4. Step 4: Simplify right side
    739,474.13x = 267,140,351,183.06
  5. Step 5: Solve for x
    x = 267,140,351,183.06/739,474.13
  6. Step 6: Final answer
    x = 361,257.20

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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.