Home / 327,621.38-452,257.01-220,253.69

Finding the Fourth Proportional to 327,621.38, 452,257.01 and 220,253.69

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Solution

The fourth proportional to 327,621.38, 452,257.01 and 220,253.69 is: 304,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,621.38 : 452,257.01 = 220,253.69 : x
  2. Step 2: Convert to fraction form
    327,621.38/452,257.01 = 220,253.69/x
  3. Step 3: Cross multiply
    327,621.38x = 452,257.01 × 220,253.69
  4. Step 4: Simplify right side
    327,621.38x = 99,611,276,962.14
  5. Step 5: Solve for x
    x = 99,611,276,962.14/327,621.38
  6. Step 6: Final answer
    x = 304,043.88

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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.