Home / 475,168.20-655,732.08-284,181.59

Finding the Fourth Proportional to 475,168.20, 655,732.08 and 284,181.59

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Solution

The fourth proportional to 475,168.20, 655,732.08 and 284,181.59 is: 392,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,168.20 : 655,732.08 = 284,181.59 : x
  2. Step 2: Convert to fraction form
    475,168.20/655,732.08 = 284,181.59/x
  3. Step 3: Cross multiply
    475,168.20x = 655,732.08 × 284,181.59
  4. Step 4: Simplify right side
    475,168.20x = 186,346,981,829.75
  5. Step 5: Solve for x
    x = 186,346,981,829.75/475,168.20
  6. Step 6: Final answer
    x = 392,170.57

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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.