Home / 852,161.20-1,278,241.80-538,010.80

Finding the Fourth Proportional to 852,161.20, 1,278,241.80 and 538,010.80

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Solution

The fourth proportional to 852,161.20, 1,278,241.80 and 538,010.80 is: 807,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,161.20 : 1,278,241.80 = 538,010.80 : x
  2. Step 2: Convert to fraction form
    852,161.20/1,278,241.80 = 538,010.80/x
  3. Step 3: Cross multiply
    852,161.20x = 1,278,241.80 × 538,010.80
  4. Step 4: Simplify right side
    852,161.20x = 687,707,893,411.44
  5. Step 5: Solve for x
    x = 687,707,893,411.44/852,161.20
  6. Step 6: Final answer
    x = 807,016.20

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Double scale
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Similar ratio
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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.