Home / 483,836.10-667,716.61-268,979.75

Finding the Fourth Proportional to 483,836.10, 667,716.61 and 268,979.75

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Solution

The fourth proportional to 483,836.10, 667,716.61 and 268,979.75 is: 371,204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,836.10 : 667,716.61 = 268,979.75 : x
  2. Step 2: Convert to fraction form
    483,836.10/667,716.61 = 268,979.75/x
  3. Step 3: Cross multiply
    483,836.10x = 667,716.61 × 268,979.75
  4. Step 4: Simplify right side
    483,836.10x = 179,602,246,828.65
  5. Step 5: Solve for x
    x = 179,602,246,828.65/483,836.10
  6. Step 6: Final answer
    x = 371,204.73

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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.