Home / 814,778.15-1,222,213.96-215,723.75

Finding the Fourth Proportional to 814,778.15, 1,222,213.96 and 215,723.75

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Solution

The fourth proportional to 814,778.15, 1,222,213.96 and 215,723.75 is: 323,598.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,778.15 : 1,222,213.96 = 215,723.75 : x
  2. Step 2: Convert to fraction form
    814,778.15/1,222,213.96 = 215,723.75/x
  3. Step 3: Cross multiply
    814,778.15x = 1,222,213.96 × 215,723.75
  4. Step 4: Simplify right side
    814,778.15x = 263,660,578,753.55
  5. Step 5: Solve for x
    x = 263,660,578,753.55/814,778.15
  6. Step 6: Final answer
    x = 323,598.00

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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.