Home / 498,733.20-748,099.80-124,756.20

Finding the Fourth Proportional to 498,733.20, 748,099.80 and 124,756.20

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Solution

The fourth proportional to 498,733.20, 748,099.80 and 124,756.20 is: 187,134.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,733.20 : 748,099.80 = 124,756.20 : x
  2. Step 2: Convert to fraction form
    498,733.20/748,099.80 = 124,756.20/x
  3. Step 3: Cross multiply
    498,733.20x = 748,099.80 × 124,756.20
  4. Step 4: Simplify right side
    498,733.20x = 93,330,088,268.76
  5. Step 5: Solve for x
    x = 93,330,088,268.76/498,733.20
  6. Step 6: Final answer
    x = 187,134.30

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Similar ratio
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1.5x scale

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.