Home / 1,229,085.84-1,696,239.48-677,909.52

Finding the Fourth Proportional to 1,229,085.84, 1,696,239.48 and 677,909.52

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Solution

The fourth proportional to 1,229,085.84, 1,696,239.48 and 677,909.52 is: 935,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,085.84 : 1,696,239.48 = 677,909.52 : x
  2. Step 2: Convert to fraction form
    1,229,085.84/1,696,239.48 = 677,909.52/x
  3. Step 3: Cross multiply
    1,229,085.84x = 1,696,239.48 × 677,909.52
  4. Step 4: Simplify right side
    1,229,085.84x = 1,149,896,891,691.85
  5. Step 5: Solve for x
    x = 1,149,896,891,691.85/1,229,085.84
  6. Step 6: Final answer
    x = 935,570.86

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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.