Home / 547,027.56-820,907.87-192,042.63

Finding the Fourth Proportional to 547,027.56, 820,907.87 and 192,042.63

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Solution

The fourth proportional to 547,027.56, 820,907.87 and 192,042.63 is: 288,192.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,027.56 : 820,907.87 = 192,042.63 : x
  2. Step 2: Convert to fraction form
    547,027.56/820,907.87 = 192,042.63/x
  3. Step 3: Cross multiply
    547,027.56x = 820,907.87 × 192,042.63
  4. Step 4: Simplify right side
    547,027.56x = 157,649,305,382.29
  5. Step 5: Solve for x
    x = 157,649,305,382.29/547,027.56
  6. Step 6: Final answer
    x = 288,192.62

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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.