Home / 1,227,393.68-1,693,789.62-683,517.56

Finding the Fourth Proportional to 1,227,393.68, 1,693,789.62 and 683,517.56

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Solution

The fourth proportional to 1,227,393.68, 1,693,789.62 and 683,517.56 is: 943,246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,393.68 : 1,693,789.62 = 683,517.56 : x
  2. Step 2: Convert to fraction form
    1,227,393.68/1,693,789.62 = 683,517.56/x
  3. Step 3: Cross multiply
    1,227,393.68x = 1,693,789.62 × 683,517.56
  4. Step 4: Simplify right side
    1,227,393.68x = 1,157,734,948,215.73
  5. Step 5: Solve for x
    x = 1,157,734,948,215.73/1,227,393.68
  6. Step 6: Final answer
    x = 943,246.63

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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.