Home / 483,275.82-666,902.25-268,429.71

Finding the Fourth Proportional to 483,275.82, 666,902.25 and 268,429.71

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Solution

The fourth proportional to 483,275.82, 666,902.25 and 268,429.71 is: 370,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,275.82 : 666,902.25 = 268,429.71 : x
  2. Step 2: Convert to fraction form
    483,275.82/666,902.25 = 268,429.71/x
  3. Step 3: Cross multiply
    483,275.82x = 666,902.25 × 268,429.71
  4. Step 4: Simplify right side
    483,275.82x = 179,016,377,565.85
  5. Step 5: Solve for x
    x = 179,016,377,565.85/483,275.82
  6. Step 6: Final answer
    x = 370,422.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.