Home / 483,861.57-667,691.15-268,988.55

Finding the Fourth Proportional to 483,861.57, 667,691.15 and 268,988.55

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Solution

The fourth proportional to 483,861.57, 667,691.15 and 268,988.55 is: 371,183.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,861.57 : 667,691.15 = 268,988.55 : x
  2. Step 2: Convert to fraction form
    483,861.57/667,691.15 = 268,988.55/x
  3. Step 3: Cross multiply
    483,861.57x = 667,691.15 × 268,988.55
  4. Step 4: Simplify right side
    483,861.57x = 179,601,272,941.39
  5. Step 5: Solve for x
    x = 179,601,272,941.39/483,861.57
  6. Step 6: Final answer
    x = 371,183.17

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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.