Home / 951,560.96-1,427,343.92-320,917.76

Finding the Fourth Proportional to 951,560.96, 1,427,343.92 and 320,917.76

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Solution

The fourth proportional to 951,560.96, 1,427,343.92 and 320,917.76 is: 481,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,560.96 : 1,427,343.92 = 320,917.76 : x
  2. Step 2: Convert to fraction form
    951,560.96/1,427,343.92 = 320,917.76/x
  3. Step 3: Cross multiply
    951,560.96x = 1,427,343.92 × 320,917.76
  4. Step 4: Simplify right side
    951,560.96x = 458,060,013,556.02
  5. Step 5: Solve for x
    x = 458,060,013,556.02/951,560.96
  6. Step 6: Final answer
    x = 481,377.48

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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.