Home / 482,821.20-723,612.15-269,588.70

Finding the Fourth Proportional to 482,821.20, 723,612.15 and 269,588.70

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Solution

The fourth proportional to 482,821.20, 723,612.15 and 269,588.70 is: 404,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,821.20 : 723,612.15 = 269,588.70 : x
  2. Step 2: Convert to fraction form
    482,821.20/723,612.15 = 269,588.70/x
  3. Step 3: Cross multiply
    482,821.20x = 723,612.15 × 269,588.70
  4. Step 4: Simplify right side
    482,821.20x = 195,077,658,822.71
  5. Step 5: Solve for x
    x = 195,077,658,822.71/482,821.20
  6. Step 6: Final answer
    x = 404,037.06

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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.