Home / 447,521.22-671,283.65-181,286.78

Finding the Fourth Proportional to 447,521.22, 671,283.65 and 181,286.78

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Solution

The fourth proportional to 447,521.22, 671,283.65 and 181,286.78 is: 271,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,521.22 : 671,283.65 = 181,286.78 : x
  2. Step 2: Convert to fraction form
    447,521.22/671,283.65 = 181,286.78/x
  3. Step 3: Cross multiply
    447,521.22x = 671,283.65 × 181,286.78
  4. Step 4: Simplify right side
    447,521.22x = 121,694,848,471.95
  5. Step 5: Solve for x
    x = 121,694,848,471.95/447,521.22
  6. Step 6: Final answer
    x = 271,930.90

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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.