Home / 482,821.70-723,612.90-269,589.20

Finding the Fourth Proportional to 482,821.70, 723,612.90 and 269,589.20

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Solution

The fourth proportional to 482,821.70, 723,612.90 and 269,589.20 is: 404,037.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,821.70 : 723,612.90 = 269,589.20 : x
  2. Step 2: Convert to fraction form
    482,821.70/723,612.90 = 269,589.20/x
  3. Step 3: Cross multiply
    482,821.70x = 723,612.90 × 269,589.20
  4. Step 4: Simplify right side
    482,821.70x = 195,078,222,820.68
  5. Step 5: Solve for x
    x = 195,078,222,820.68/482,821.70
  6. Step 6: Final answer
    x = 404,037.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.