Home / 854,161.20-1,281,241.80-540,010.80

Finding the Fourth Proportional to 854,161.20, 1,281,241.80 and 540,010.80

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Solution

The fourth proportional to 854,161.20, 1,281,241.80 and 540,010.80 is: 810,016.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,161.20 : 1,281,241.80 = 540,010.80 : x
  2. Step 2: Convert to fraction form
    854,161.20/1,281,241.80 = 540,010.80/x
  3. Step 3: Cross multiply
    854,161.20x = 1,281,241.80 × 540,010.80
  4. Step 4: Simplify right side
    854,161.20x = 691,884,409,411.44
  5. Step 5: Solve for x
    x = 691,884,409,411.44/854,161.20
  6. Step 6: Final answer
    x = 810,016.20

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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.