Home / 386,039.24-532,763.70-222,725

Finding the Fourth Proportional to 386,039.24, 532,763.70 and 222,725

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Solution

The fourth proportional to 386,039.24, 532,763.70 and 222,725 is: 307,377.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,039.24 : 532,763.70 = 222,725 : x
  2. Step 2: Convert to fraction form
    386,039.24/532,763.70 = 222,725/x
  3. Step 3: Cross multiply
    386,039.24x = 532,763.70 × 222,725
  4. Step 4: Simplify right side
    386,039.24x = 118,659,795,082.50
  5. Step 5: Solve for x
    x = 118,659,795,082.50/386,039.24
  6. Step 6: Final answer
    x = 307,377.55

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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.