Home / 482,913.08-666,419.56-268,052.72

Finding the Fourth Proportional to 482,913.08, 666,419.56 and 268,052.72

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Solution

The fourth proportional to 482,913.08, 666,419.56 and 268,052.72 is: 369,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,913.08 : 666,419.56 = 268,052.72 : x
  2. Step 2: Convert to fraction form
    482,913.08/666,419.56 = 268,052.72/x
  3. Step 3: Cross multiply
    482,913.08x = 666,419.56 × 268,052.72
  4. Step 4: Simplify right side
    482,913.08x = 178,635,575,719.20
  5. Step 5: Solve for x
    x = 178,635,575,719.20/482,913.08
  6. Step 6: Final answer
    x = 369,912.48

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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.