Home / 483,380.16-667,065.07-268,540.21

Finding the Fourth Proportional to 483,380.16, 667,065.07 and 268,540.21

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Solution

The fourth proportional to 483,380.16, 667,065.07 and 268,540.21 is: 370,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,380.16 : 667,065.07 = 268,540.21 : x
  2. Step 2: Convert to fraction form
    483,380.16/667,065.07 = 268,540.21/x
  3. Step 3: Cross multiply
    483,380.16x = 667,065.07 × 268,540.21
  4. Step 4: Simplify right side
    483,380.16x = 179,133,795,150.97
  5. Step 5: Solve for x
    x = 179,133,795,150.97/483,380.16
  6. Step 6: Final answer
    x = 370,585.74

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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.