Home / 819,850.25-1,227,253.09-534,927.29

Finding the Fourth Proportional to 819,850.25, 1,227,253.09 and 534,927.29

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Solution

The fourth proportional to 819,850.25, 1,227,253.09 and 534,927.29 is: 800,745.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,850.25 : 1,227,253.09 = 534,927.29 : x
  2. Step 2: Convert to fraction form
    819,850.25/1,227,253.09 = 534,927.29/x
  3. Step 3: Cross multiply
    819,850.25x = 1,227,253.09 × 534,927.29
  4. Step 4: Simplify right side
    819,850.25x = 656,491,169,577.83
  5. Step 5: Solve for x
    x = 656,491,169,577.83/819,850.25
  6. Step 6: Final answer
    x = 800,745.22

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Double scale
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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.