Home / 475,162.18-655,723.80-284,175.56

Finding the Fourth Proportional to 475,162.18, 655,723.80 and 284,175.56

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Solution

The fourth proportional to 475,162.18, 655,723.80 and 284,175.56 is: 392,162.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,162.18 : 655,723.80 = 284,175.56 : x
  2. Step 2: Convert to fraction form
    475,162.18/655,723.80 = 284,175.56/x
  3. Step 3: Cross multiply
    475,162.18x = 655,723.80 × 284,175.56
  4. Step 4: Simplify right side
    475,162.18x = 186,340,679,709.64
  5. Step 5: Solve for x
    x = 186,340,679,709.64/475,162.18
  6. Step 6: Final answer
    x = 392,162.27

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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.