Home / 475,272.70-655,891.56-260,426.44

Finding the Fourth Proportional to 475,272.70, 655,891.56 and 260,426.44

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Solution

The fourth proportional to 475,272.70, 655,891.56 and 260,426.44 is: 359,396.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,272.70 : 655,891.56 = 260,426.44 : x
  2. Step 2: Convert to fraction form
    475,272.70/655,891.56 = 260,426.44/x
  3. Step 3: Cross multiply
    475,272.70x = 655,891.56 × 260,426.44
  4. Step 4: Simplify right side
    475,272.70x = 170,811,503,996.85
  5. Step 5: Solve for x
    x = 170,811,503,996.85/475,272.70
  6. Step 6: Final answer
    x = 359,396.83

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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.