Home / 828,879.11-1,243,318.67-296,367.85

Finding the Fourth Proportional to 828,879.11, 1,243,318.67 and 296,367.85

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Solution

The fourth proportional to 828,879.11, 1,243,318.67 and 296,367.85 is: 444,551.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,879.11 : 1,243,318.67 = 296,367.85 : x
  2. Step 2: Convert to fraction form
    828,879.11/1,243,318.67 = 296,367.85/x
  3. Step 3: Cross multiply
    828,879.11x = 1,243,318.67 × 296,367.85
  4. Step 4: Simplify right side
    828,879.11x = 368,479,680,736.41
  5. Step 5: Solve for x
    x = 368,479,680,736.41/828,879.11
  6. Step 6: Final answer
    x = 444,551.77

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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.