Home / 819,081.44-1,228,789.20-464,253.92

Finding the Fourth Proportional to 819,081.44, 1,228,789.20 and 464,253.92

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Solution

The fourth proportional to 819,081.44, 1,228,789.20 and 464,253.92 is: 696,475.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,081.44 : 1,228,789.20 = 464,253.92 : x
  2. Step 2: Convert to fraction form
    819,081.44/1,228,789.20 = 464,253.92/x
  3. Step 3: Cross multiply
    819,081.44x = 1,228,789.20 × 464,253.92
  4. Step 4: Simplify right side
    819,081.44x = 570,470,202,953.66
  5. Step 5: Solve for x
    x = 570,470,202,953.66/819,081.44
  6. Step 6: Final answer
    x = 696,475.56

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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.