Home / 484,521.06-726,726.23-129,562.76

Finding the Fourth Proportional to 484,521.06, 726,726.23 and 129,562.76

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Solution

The fourth proportional to 484,521.06, 726,726.23 and 129,562.76 is: 194,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,521.06 : 726,726.23 = 129,562.76 : x
  2. Step 2: Convert to fraction form
    484,521.06/726,726.23 = 129,562.76/x
  3. Step 3: Cross multiply
    484,521.06x = 726,726.23 × 129,562.76
  4. Step 4: Simplify right side
    484,521.06x = 94,156,653,690.22
  5. Step 5: Solve for x
    x = 94,156,653,690.22/484,521.06
  6. Step 6: Final answer
    x = 194,329.33

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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.