Home / 454,351.68-681,177.60-217,572.48

Finding the Fourth Proportional to 454,351.68, 681,177.60 and 217,572.48

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Solution

The fourth proportional to 454,351.68, 681,177.60 and 217,572.48 is: 326,191.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,351.68 : 681,177.60 = 217,572.48 : x
  2. Step 2: Convert to fraction form
    454,351.68/681,177.60 = 217,572.48/x
  3. Step 3: Cross multiply
    454,351.68x = 681,177.60 × 217,572.48
  4. Step 4: Simplify right side
    454,351.68x = 148,205,499,752.45
  5. Step 5: Solve for x
    x = 148,205,499,752.45/454,351.68
  6. Step 6: Final answer
    x = 326,191.16

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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.