Home / 484,821.12-727,369.92-165,043.20

Finding the Fourth Proportional to 484,821.12, 727,369.92 and 165,043.20

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Solution

The fourth proportional to 484,821.12, 727,369.92 and 165,043.20 is: 247,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,821.12 : 727,369.92 = 165,043.20 : x
  2. Step 2: Convert to fraction form
    484,821.12/727,369.92 = 165,043.20/x
  3. Step 3: Cross multiply
    484,821.12x = 727,369.92 × 165,043.20
  4. Step 4: Simplify right side
    484,821.12x = 120,047,459,180.54
  5. Step 5: Solve for x
    x = 120,047,459,180.54/484,821.12
  6. Step 6: Final answer
    x = 247,611.86

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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.