Home / 814,768.15-1,222,198.93-215,713.74

Finding the Fourth Proportional to 814,768.15, 1,222,198.93 and 215,713.74

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Solution

The fourth proportional to 814,768.15, 1,222,198.93 and 215,713.74 is: 323,582.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,768.15 : 1,222,198.93 = 215,713.74 : x
  2. Step 2: Convert to fraction form
    814,768.15/1,222,198.93 = 215,713.74/x
  3. Step 3: Cross multiply
    814,768.15x = 1,222,198.93 × 215,713.74
  4. Step 4: Simplify right side
    814,768.15x = 263,645,105,269.80
  5. Step 5: Solve for x
    x = 263,645,105,269.80/814,768.15
  6. Step 6: Final answer
    x = 323,582.98

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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.