Home / 819,853.16-1,227,257.44-534,930.20

Finding the Fourth Proportional to 819,853.16, 1,227,257.44 and 534,930.20

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Solution

The fourth proportional to 819,853.16, 1,227,257.44 and 534,930.20 is: 800,749.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,853.16 : 1,227,257.44 = 534,930.20 : x
  2. Step 2: Convert to fraction form
    819,853.16/1,227,257.44 = 534,930.20/x
  3. Step 3: Cross multiply
    819,853.16x = 1,227,257.44 × 534,930.20
  4. Step 4: Simplify right side
    819,853.16x = 656,497,067,830.69
  5. Step 5: Solve for x
    x = 656,497,067,830.69/819,853.16
  6. Step 6: Final answer
    x = 800,749.57

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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.