Home / 453,708.20-680,562.30-121,284.20

Finding the Fourth Proportional to 453,708.20, 680,562.30 and 121,284.20

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Solution

The fourth proportional to 453,708.20, 680,562.30 and 121,284.20 is: 181,926.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,708.20 : 680,562.30 = 121,284.20 : x
  2. Step 2: Convert to fraction form
    453,708.20/680,562.30 = 121,284.20/x
  3. Step 3: Cross multiply
    453,708.20x = 680,562.30 × 121,284.20
  4. Step 4: Simplify right side
    453,708.20x = 82,541,454,105.66
  5. Step 5: Solve for x
    x = 82,541,454,105.66/453,708.20
  6. Step 6: Final answer
    x = 181,926.30

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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.