Home / 1,080,090.40-1,618,191.60-856,919.20

Finding the Fourth Proportional to 1,080,090.40, 1,618,191.60 and 856,919.20

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Solution

The fourth proportional to 1,080,090.40, 1,618,191.60 and 856,919.20 is: 1,283,836.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,090.40 : 1,618,191.60 = 856,919.20 : x
  2. Step 2: Convert to fraction form
    1,080,090.40/1,618,191.60 = 856,919.20/x
  3. Step 3: Cross multiply
    1,080,090.40x = 1,618,191.60 × 856,919.20
  4. Step 4: Simplify right side
    1,080,090.40x = 1,386,659,451,318.72
  5. Step 5: Solve for x
    x = 1,386,659,451,318.72/1,080,090.40
  6. Step 6: Final answer
    x = 1,283,836.47

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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.