Home / 792,115.70-1,188,173.55-372,211.70

Finding the Fourth Proportional to 792,115.70, 1,188,173.55 and 372,211.70

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Solution

The fourth proportional to 792,115.70, 1,188,173.55 and 372,211.70 is: 558,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,115.70 : 1,188,173.55 = 372,211.70 : x
  2. Step 2: Convert to fraction form
    792,115.70/1,188,173.55 = 372,211.70/x
  3. Step 3: Cross multiply
    792,115.70x = 1,188,173.55 × 372,211.70
  4. Step 4: Simplify right side
    792,115.70x = 442,252,096,940.54
  5. Step 5: Solve for x
    x = 442,252,096,940.54/792,115.70
  6. Step 6: Final answer
    x = 558,317.55

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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.