Home / 809,114.90-1,213,672.35-798,617.30

Finding the Fourth Proportional to 809,114.90, 1,213,672.35 and 798,617.30

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Solution

The fourth proportional to 809,114.90, 1,213,672.35 and 798,617.30 is: 1,197,925.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,114.90 : 1,213,672.35 = 798,617.30 : x
  2. Step 2: Convert to fraction form
    809,114.90/1,213,672.35 = 798,617.30/x
  3. Step 3: Cross multiply
    809,114.90x = 1,213,672.35 × 798,617.30
  4. Step 4: Simplify right side
    809,114.90x = 969,259,735,241.66
  5. Step 5: Solve for x
    x = 969,259,735,241.66/809,114.90
  6. Step 6: Final answer
    x = 1,197,925.95

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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.