Home / 494,634.38-682,595.48-279,769.82

Finding the Fourth Proportional to 494,634.38, 682,595.48 and 279,769.82

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Solution

The fourth proportional to 494,634.38, 682,595.48 and 279,769.82 is: 386,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,634.38 : 682,595.48 = 279,769.82 : x
  2. Step 2: Convert to fraction form
    494,634.38/682,595.48 = 279,769.82/x
  3. Step 3: Cross multiply
    494,634.38x = 682,595.48 × 279,769.82
  4. Step 4: Simplify right side
    494,634.38x = 190,969,611,858.86
  5. Step 5: Solve for x
    x = 190,969,611,858.86/494,634.38
  6. Step 6: Final answer
    x = 386,082.37

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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.