Home / 854,179.20-1,281,268.80-540,028.80

Finding the Fourth Proportional to 854,179.20, 1,281,268.80 and 540,028.80

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Solution

The fourth proportional to 854,179.20, 1,281,268.80 and 540,028.80 is: 810,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,179.20 : 1,281,268.80 = 540,028.80 : x
  2. Step 2: Convert to fraction form
    854,179.20/1,281,268.80 = 540,028.80/x
  3. Step 3: Cross multiply
    854,179.20x = 1,281,268.80 × 540,028.80
  4. Step 4: Simplify right side
    854,179.20x = 691,922,052,541.44
  5. Step 5: Solve for x
    x = 691,922,052,541.44/854,179.20
  6. Step 6: Final answer
    x = 810,043.20

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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.