Home / 951,556.96-1,427,337.92-320,913.76

Finding the Fourth Proportional to 951,556.96, 1,427,337.92 and 320,913.76

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Solution

The fourth proportional to 951,556.96, 1,427,337.92 and 320,913.76 is: 481,371.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,556.96 : 1,427,337.92 = 320,913.76 : x
  2. Step 2: Convert to fraction form
    951,556.96/1,427,337.92 = 320,913.76/x
  3. Step 3: Cross multiply
    951,556.96x = 1,427,337.92 × 320,913.76
  4. Step 4: Simplify right side
    951,556.96x = 458,052,378,697.78
  5. Step 5: Solve for x
    x = 458,052,378,697.78/951,556.96
  6. Step 6: Final answer
    x = 481,371.48

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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.