Home / 274,375.20-413,619.28-256,086.41

Finding the Fourth Proportional to 274,375.20, 413,619.28 and 256,086.41

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Solution

The fourth proportional to 274,375.20, 413,619.28 and 256,086.41 is: 386,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,375.20 : 413,619.28 = 256,086.41 : x
  2. Step 2: Convert to fraction form
    274,375.20/413,619.28 = 256,086.41/x
  3. Step 3: Cross multiply
    274,375.20x = 413,619.28 × 256,086.41
  4. Step 4: Simplify right side
    274,375.20x = 105,922,273,813.67
  5. Step 5: Solve for x
    x = 105,922,273,813.67/274,375.20
  6. Step 6: Final answer
    x = 386,049.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.