Home / 386,024-532,869.44-250,174.56

Finding the Fourth Proportional to 386,024, 532,869.44 and 250,174.56

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Solution

The fourth proportional to 386,024, 532,869.44 and 250,174.56 is: 345,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,024 : 532,869.44 = 250,174.56 : x
  2. Step 2: Convert to fraction form
    386,024/532,869.44 = 250,174.56/x
  3. Step 3: Cross multiply
    386,024x = 532,869.44 × 250,174.56
  4. Step 4: Simplify right side
    386,024x = 133,310,377,689.45
  5. Step 5: Solve for x
    x = 133,310,377,689.45/386,024
  6. Step 6: Final answer
    x = 345,342.20

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1.5x scale

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.