Home / 864,135.52-1,192,174.42-541,283.56

Finding the Fourth Proportional to 864,135.52, 1,192,174.42 and 541,283.56

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Solution

The fourth proportional to 864,135.52, 1,192,174.42 and 541,283.56 is: 746,762.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,135.52 : 1,192,174.42 = 541,283.56 : x
  2. Step 2: Convert to fraction form
    864,135.52/1,192,174.42 = 541,283.56/x
  3. Step 3: Cross multiply
    864,135.52x = 1,192,174.42 × 541,283.56
  4. Step 4: Simplify right side
    864,135.52x = 645,304,414,198.54
  5. Step 5: Solve for x
    x = 645,304,414,198.54/864,135.52
  6. Step 6: Final answer
    x = 746,762.98

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1.5x scale

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.