Home / 866,909.88-1,196,521.92-527,487.48

Finding the Fourth Proportional to 866,909.88, 1,196,521.92 and 527,487.48

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Solution

The fourth proportional to 866,909.88, 1,196,521.92 and 527,487.48 is: 728,046.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,909.88 : 1,196,521.92 = 527,487.48 : x
  2. Step 2: Convert to fraction form
    866,909.88/1,196,521.92 = 527,487.48/x
  3. Step 3: Cross multiply
    866,909.88x = 1,196,521.92 × 527,487.48
  4. Step 4: Simplify right side
    866,909.88x = 631,150,332,345.56
  5. Step 5: Solve for x
    x = 631,150,332,345.56/866,909.88
  6. Step 6: Final answer
    x = 728,046.07

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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.