Home / 330,986.33-496,553.25-120,624.28

Finding the Fourth Proportional to 330,986.33, 496,553.25 and 120,624.28

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Solution

The fourth proportional to 330,986.33, 496,553.25 and 120,624.28 is: 180,963.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,986.33 : 496,553.25 = 120,624.28 : x
  2. Step 2: Convert to fraction form
    330,986.33/496,553.25 = 120,624.28/x
  3. Step 3: Cross multiply
    330,986.33x = 496,553.25 × 120,624.28
  4. Step 4: Simplify right side
    330,986.33x = 59,896,378,262.91
  5. Step 5: Solve for x
    x = 59,896,378,262.91/330,986.33
  6. Step 6: Final answer
    x = 180,963.30

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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.