Home / 480,717.74-721,021.52-125,766.02

Finding the Fourth Proportional to 480,717.74, 721,021.52 and 125,766.02

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Solution

The fourth proportional to 480,717.74, 721,021.52 and 125,766.02 is: 188,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,717.74 : 721,021.52 = 125,766.02 : x
  2. Step 2: Convert to fraction form
    480,717.74/721,021.52 = 125,766.02/x
  3. Step 3: Cross multiply
    480,717.74x = 721,021.52 × 125,766.02
  4. Step 4: Simplify right side
    480,717.74x = 90,680,003,614.06
  5. Step 5: Solve for x
    x = 90,680,003,614.06/480,717.74
  6. Step 6: Final answer
    x = 188,634.61

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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.