Home / 754,578.45-1,131,744.60-221,974.92

Finding the Fourth Proportional to 754,578.45, 1,131,744.60 and 221,974.92

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Solution

The fourth proportional to 754,578.45, 1,131,744.60 and 221,974.92 is: 332,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,578.45 : 1,131,744.60 = 221,974.92 : x
  2. Step 2: Convert to fraction form
    754,578.45/1,131,744.60 = 221,974.92/x
  3. Step 3: Cross multiply
    754,578.45x = 1,131,744.60 × 221,974.92
  4. Step 4: Simplify right side
    754,578.45x = 251,218,917,045.43
  5. Step 5: Solve for x
    x = 251,218,917,045.43/754,578.45
  6. Step 6: Final answer
    x = 332,926.17

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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.