Home / 451,913.82-623,620.20-247,959.66

Finding the Fourth Proportional to 451,913.82, 623,620.20 and 247,959.66

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Solution

The fourth proportional to 451,913.82, 623,620.20 and 247,959.66 is: 342,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,913.82 : 623,620.20 = 247,959.66 : x
  2. Step 2: Convert to fraction form
    451,913.82/623,620.20 = 247,959.66/x
  3. Step 3: Cross multiply
    451,913.82x = 623,620.20 × 247,959.66
  4. Step 4: Simplify right side
    451,913.82x = 154,632,652,761.13
  5. Step 5: Solve for x
    x = 154,632,652,761.13/451,913.82
  6. Step 6: Final answer
    x = 342,172.88

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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.