Home / 819,092.62-1,228,555.88-219,975.92

Finding the Fourth Proportional to 819,092.62, 1,228,555.88 and 219,975.92

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Solution

The fourth proportional to 819,092.62, 1,228,555.88 and 219,975.92 is: 329,941.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,092.62 : 1,228,555.88 = 219,975.92 : x
  2. Step 2: Convert to fraction form
    819,092.62/1,228,555.88 = 219,975.92/x
  3. Step 3: Cross multiply
    819,092.62x = 1,228,555.88 × 219,975.92
  4. Step 4: Simplify right side
    819,092.62x = 270,252,709,974.41
  5. Step 5: Solve for x
    x = 270,252,709,974.41/819,092.62
  6. Step 6: Final answer
    x = 329,941.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.