Home / 498,940.22-748,460.73-161,966.78

Finding the Fourth Proportional to 498,940.22, 748,460.73 and 161,966.78

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Solution

The fourth proportional to 498,940.22, 748,460.73 and 161,966.78 is: 242,966.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,940.22 : 748,460.73 = 161,966.78 : x
  2. Step 2: Convert to fraction form
    498,940.22/748,460.73 = 161,966.78/x
  3. Step 3: Cross multiply
    498,940.22x = 748,460.73 × 161,966.78
  4. Step 4: Simplify right side
    498,940.22x = 121,225,774,394.55
  5. Step 5: Solve for x
    x = 121,225,774,394.55/498,940.22
  6. Step 6: Final answer
    x = 242,966.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.