Home / 480,715.24-721,017.77-125,763.52

Finding the Fourth Proportional to 480,715.24, 721,017.77 and 125,763.52

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Solution

The fourth proportional to 480,715.24, 721,017.77 and 125,763.52 is: 188,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,715.24 : 721,017.77 = 125,763.52 : x
  2. Step 2: Convert to fraction form
    480,715.24/721,017.77 = 125,763.52/x
  3. Step 3: Cross multiply
    480,715.24x = 721,017.77 × 125,763.52
  4. Step 4: Simplify right side
    480,715.24x = 90,677,729,132.66
  5. Step 5: Solve for x
    x = 90,677,729,132.66/480,715.24
  6. Step 6: Final answer
    x = 188,630.86

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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.