Home / 482,916.38-666,391.23-268,039.53

Finding the Fourth Proportional to 482,916.38, 666,391.23 and 268,039.53

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Solution

The fourth proportional to 482,916.38, 666,391.23 and 268,039.53 is: 369,876.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,916.38 : 666,391.23 = 268,039.53 : x
  2. Step 2: Convert to fraction form
    482,916.38/666,391.23 = 268,039.53/x
  3. Step 3: Cross multiply
    482,916.38x = 666,391.23 × 268,039.53
  4. Step 4: Simplify right side
    482,916.38x = 178,619,191,331.46
  5. Step 5: Solve for x
    x = 178,619,191,331.46/482,916.38
  6. Step 6: Final answer
    x = 369,876.03

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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.