Home / 327,724.34-452,399.39-220,356.61

Finding the Fourth Proportional to 327,724.34, 452,399.39 and 220,356.61

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Solution

The fourth proportional to 327,724.34, 452,399.39 and 220,356.61 is: 304,186.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,724.34 : 452,399.39 = 220,356.61 : x
  2. Step 2: Convert to fraction form
    327,724.34/452,399.39 = 220,356.61/x
  3. Step 3: Cross multiply
    327,724.34x = 452,399.39 × 220,356.61
  4. Step 4: Simplify right side
    327,724.34x = 99,689,193,713.69
  5. Step 5: Solve for x
    x = 99,689,193,713.69/327,724.34
  6. Step 6: Final answer
    x = 304,186.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.