Home / 453,724.74-680,535.27-121,326.66

Finding the Fourth Proportional to 453,724.74, 680,535.27 and 121,326.66

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Solution

The fourth proportional to 453,724.74, 680,535.27 and 121,326.66 is: 181,976.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,724.74 : 680,535.27 = 121,326.66 : x
  2. Step 2: Convert to fraction form
    453,724.74/680,535.27 = 121,326.66/x
  3. Step 3: Cross multiply
    453,724.74x = 680,535.27 × 121,326.66
  4. Step 4: Simplify right side
    453,724.74x = 82,567,071,321.30
  5. Step 5: Solve for x
    x = 82,567,071,321.30/453,724.74
  6. Step 6: Final answer
    x = 181,976.13

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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.