Home / 325,639.20-487,617.56-224,748.66

Finding the Fourth Proportional to 325,639.20, 487,617.56 and 224,748.66

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Solution

The fourth proportional to 325,639.20, 487,617.56 and 224,748.66 is: 336,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,639.20 : 487,617.56 = 224,748.66 : x
  2. Step 2: Convert to fraction form
    325,639.20/487,617.56 = 224,748.66/x
  3. Step 3: Cross multiply
    325,639.20x = 487,617.56 × 224,748.66
  4. Step 4: Simplify right side
    325,639.20x = 109,591,392,078.73
  5. Step 5: Solve for x
    x = 109,591,392,078.73/325,639.20
  6. Step 6: Final answer
    x = 336,542.38

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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.