Home / 754,053.29-1,131,069.97-185,439.30

Finding the Fourth Proportional to 754,053.29, 1,131,069.97 and 185,439.30

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Solution

The fourth proportional to 754,053.29, 1,131,069.97 and 185,439.30 is: 278,156.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,053.29 : 1,131,069.97 = 185,439.30 : x
  2. Step 2: Convert to fraction form
    754,053.29/1,131,069.97 = 185,439.30/x
  3. Step 3: Cross multiply
    754,053.29x = 1,131,069.97 × 185,439.30
  4. Step 4: Simplify right side
    754,053.29x = 209,744,823,487.82
  5. Step 5: Solve for x
    x = 209,744,823,487.82/754,053.29
  6. Step 6: Final answer
    x = 278,156.50

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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.