Home / 844,320.90-1,165,367.92-521,836.82

Finding the Fourth Proportional to 844,320.90, 1,165,367.92 and 521,836.82

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Solution

The fourth proportional to 844,320.90, 1,165,367.92 and 521,836.82 is: 720,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,320.90 : 1,165,367.92 = 521,836.82 : x
  2. Step 2: Convert to fraction form
    844,320.90/1,165,367.92 = 521,836.82/x
  3. Step 3: Cross multiply
    844,320.90x = 1,165,367.92 × 521,836.82
  4. Step 4: Simplify right side
    844,320.90x = 608,131,889,502.81
  5. Step 5: Solve for x
    x = 608,131,889,502.81/844,320.90
  6. Step 6: Final answer
    x = 720,261.56

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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.