Home / 814,967.80-1,222,451.70-809,062.90

Finding the Fourth Proportional to 814,967.80, 1,222,451.70 and 809,062.90

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Solution

The fourth proportional to 814,967.80, 1,222,451.70 and 809,062.90 is: 1,213,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,967.80 : 1,222,451.70 = 809,062.90 : x
  2. Step 2: Convert to fraction form
    814,967.80/1,222,451.70 = 809,062.90/x
  3. Step 3: Cross multiply
    814,967.80x = 1,222,451.70 × 809,062.90
  4. Step 4: Simplify right side
    814,967.80x = 989,040,317,511.93
  5. Step 5: Solve for x
    x = 989,040,317,511.93/814,967.80
  6. Step 6: Final answer
    x = 1,213,594.35

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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.