Home / 447,520.48-671,282.53-181,286.03

Finding the Fourth Proportional to 447,520.48, 671,282.53 and 181,286.03

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Solution

The fourth proportional to 447,520.48, 671,282.53 and 181,286.03 is: 271,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,520.48 : 671,282.53 = 181,286.03 : x
  2. Step 2: Convert to fraction form
    447,520.48/671,282.53 = 181,286.03/x
  3. Step 3: Cross multiply
    447,520.48x = 671,282.53 × 181,286.03
  4. Step 4: Simplify right side
    447,520.48x = 121,694,146,097.05
  5. Step 5: Solve for x
    x = 121,694,146,097.05/447,520.48
  6. Step 6: Final answer
    x = 271,929.78

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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.