Home / 480,758.20-721,255.38-165,219.64

Finding the Fourth Proportional to 480,758.20, 721,255.38 and 165,219.64

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Solution

The fourth proportional to 480,758.20, 721,255.38 and 165,219.64 is: 247,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,758.20 : 721,255.38 = 165,219.64 : x
  2. Step 2: Convert to fraction form
    480,758.20/721,255.38 = 165,219.64/x
  3. Step 3: Cross multiply
    480,758.20x = 721,255.38 × 165,219.64
  4. Step 4: Simplify right side
    480,758.20x = 119,165,554,231.66
  5. Step 5: Solve for x
    x = 119,165,554,231.66/480,758.20
  6. Step 6: Final answer
    x = 247,870.04

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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.