Home / 393,147.73-588,857.19-324,906.36

Finding the Fourth Proportional to 393,147.73, 588,857.19 and 324,906.36

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Solution

The fourth proportional to 393,147.73, 588,857.19 and 324,906.36 is: 486,645.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,147.73 : 588,857.19 = 324,906.36 : x
  2. Step 2: Convert to fraction form
    393,147.73/588,857.19 = 324,906.36/x
  3. Step 3: Cross multiply
    393,147.73x = 588,857.19 × 324,906.36
  4. Step 4: Simplify right side
    393,147.73x = 191,323,446,162.73
  5. Step 5: Solve for x
    x = 191,323,446,162.73/393,147.73
  6. Step 6: Final answer
    x = 486,645.18

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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.