Home / 1,321,586.52-1,823,791-717,974.52

Finding the Fourth Proportional to 1,321,586.52, 1,823,791 and 717,974.52

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Solution

The fourth proportional to 1,321,586.52, 1,823,791 and 717,974.52 is: 990,805.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,586.52 : 1,823,791 = 717,974.52 : x
  2. Step 2: Convert to fraction form
    1,321,586.52/1,823,791 = 717,974.52/x
  3. Step 3: Cross multiply
    1,321,586.52x = 1,823,791 × 717,974.52
  4. Step 4: Simplify right side
    1,321,586.52x = 1,309,435,467,805.32
  5. Step 5: Solve for x
    x = 1,309,435,467,805.32/1,321,586.52
  6. Step 6: Final answer
    x = 990,805.71

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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.