Home / 791,115.73-1,186,706.30-230,150.23

Finding the Fourth Proportional to 791,115.73, 1,186,706.30 and 230,150.23

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Solution

The fourth proportional to 791,115.73, 1,186,706.30 and 230,150.23 is: 345,234.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,115.73 : 1,186,706.30 = 230,150.23 : x
  2. Step 2: Convert to fraction form
    791,115.73/1,186,706.30 = 230,150.23/x
  3. Step 3: Cross multiply
    791,115.73x = 1,186,706.30 × 230,150.23
  4. Step 4: Simplify right side
    791,115.73x = 273,120,723,769.93
  5. Step 5: Solve for x
    x = 273,120,723,769.93/791,115.73
  6. Step 6: Final answer
    x = 345,234.86

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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.