Home / 819,901.32-1,131,456.32-452,381.84

Finding the Fourth Proportional to 819,901.32, 1,131,456.32 and 452,381.84

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Solution

The fourth proportional to 819,901.32, 1,131,456.32 and 452,381.84 is: 624,282.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,901.32 : 1,131,456.32 = 452,381.84 : x
  2. Step 2: Convert to fraction form
    819,901.32/1,131,456.32 = 452,381.84/x
  3. Step 3: Cross multiply
    819,901.32x = 1,131,456.32 × 452,381.84
  4. Step 4: Simplify right side
    819,901.32x = 511,850,295,033.55
  5. Step 5: Solve for x
    x = 511,850,295,033.55/819,901.32
  6. Step 6: Final answer
    x = 624,282.80

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Double scale
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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.