Home / 754,217.50-1,131,323.32-304,932.98

Finding the Fourth Proportional to 754,217.50, 1,131,323.32 and 304,932.98

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Solution

The fourth proportional to 754,217.50, 1,131,323.32 and 304,932.98 is: 457,398.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,217.50 : 1,131,323.32 = 304,932.98 : x
  2. Step 2: Convert to fraction form
    754,217.50/1,131,323.32 = 304,932.98/x
  3. Step 3: Cross multiply
    754,217.50x = 1,131,323.32 × 304,932.98
  4. Step 4: Simplify right side
    754,217.50x = 344,977,791,311.09
  5. Step 5: Solve for x
    x = 344,977,791,311.09/754,217.50
  6. Step 6: Final answer
    x = 457,398.29

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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.