Home / 1,357,685.88-1,873,545.91-814,121.61

Finding the Fourth Proportional to 1,357,685.88, 1,873,545.91 and 814,121.61

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Solution

The fourth proportional to 1,357,685.88, 1,873,545.91 and 814,121.61 is: 1,123,451.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,357,685.88 : 1,873,545.91 = 814,121.61 : x
  2. Step 2: Convert to fraction form
    1,357,685.88/1,873,545.91 = 814,121.61/x
  3. Step 3: Cross multiply
    1,357,685.88x = 1,873,545.91 × 814,121.61
  4. Step 4: Simplify right side
    1,357,685.88x = 1,525,294,212,658.12
  5. Step 5: Solve for x
    x = 1,525,294,212,658.12/1,357,685.88
  6. Step 6: Final answer
    x = 1,123,451.48

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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.