Home / 731,077.60-1,096,616.40-198,664.60

Finding the Fourth Proportional to 731,077.60, 1,096,616.40 and 198,664.60

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Solution

The fourth proportional to 731,077.60, 1,096,616.40 and 198,664.60 is: 297,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,077.60 : 1,096,616.40 = 198,664.60 : x
  2. Step 2: Convert to fraction form
    731,077.60/1,096,616.40 = 198,664.60/x
  3. Step 3: Cross multiply
    731,077.60x = 1,096,616.40 × 198,664.60
  4. Step 4: Simplify right side
    731,077.60x = 217,858,858,459.44
  5. Step 5: Solve for x
    x = 217,858,858,459.44/731,077.60
  6. Step 6: Final answer
    x = 297,996.90

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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.