Home / 482,948.05-666,434.97-268,071.20

Finding the Fourth Proportional to 482,948.05, 666,434.97 and 268,071.20

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Solution

The fourth proportional to 482,948.05, 666,434.97 and 268,071.20 is: 369,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,948.05 : 666,434.97 = 268,071.20 : x
  2. Step 2: Convert to fraction form
    482,948.05/666,434.97 = 268,071.20/x
  3. Step 3: Cross multiply
    482,948.05x = 666,434.97 × 268,071.20
  4. Step 4: Simplify right side
    482,948.05x = 178,652,022,129.86
  5. Step 5: Solve for x
    x = 178,652,022,129.86/482,948.05
  6. Step 6: Final answer
    x = 369,919.75

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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.