Home / 1,236,701.20-1,853,971.80-479,059.60

Finding the Fourth Proportional to 1,236,701.20, 1,853,971.80 and 479,059.60

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Solution

The fourth proportional to 1,236,701.20, 1,853,971.80 and 479,059.60 is: 718,171.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,701.20 : 1,853,971.80 = 479,059.60 : x
  2. Step 2: Convert to fraction form
    1,236,701.20/1,853,971.80 = 479,059.60/x
  3. Step 3: Cross multiply
    1,236,701.20x = 1,853,971.80 × 479,059.60
  4. Step 4: Simplify right side
    1,236,701.20x = 888,162,988,919.28
  5. Step 5: Solve for x
    x = 888,162,988,919.28/1,236,701.20
  6. Step 6: Final answer
    x = 718,171.04

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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.