Home / 482,916.34-666,391.20-268,039.49

Finding the Fourth Proportional to 482,916.34, 666,391.20 and 268,039.49

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Solution

The fourth proportional to 482,916.34, 666,391.20 and 268,039.49 is: 369,875.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,916.34 : 666,391.20 = 268,039.49 : x
  2. Step 2: Convert to fraction form
    482,916.34/666,391.20 = 268,039.49/x
  3. Step 3: Cross multiply
    482,916.34x = 666,391.20 × 268,039.49
  4. Step 4: Simplify right side
    482,916.34x = 178,619,157,388.49
  5. Step 5: Solve for x
    x = 178,619,157,388.49/482,916.34
  6. Step 6: Final answer
    x = 369,875.99

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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.