Home / 626,218.87-939,481.31-199,754.77

Finding the Fourth Proportional to 626,218.87, 939,481.31 and 199,754.77

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Solution

The fourth proportional to 626,218.87, 939,481.31 and 199,754.77 is: 299,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,218.87 : 939,481.31 = 199,754.77 : x
  2. Step 2: Convert to fraction form
    626,218.87/939,481.31 = 199,754.77/x
  3. Step 3: Cross multiply
    626,218.87x = 939,481.31 × 199,754.77
  4. Step 4: Simplify right side
    626,218.87x = 187,665,873,669.90
  5. Step 5: Solve for x
    x = 187,665,873,669.90/626,218.87
  6. Step 6: Final answer
    x = 299,680.96

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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.