Home / 828,786.33-1,243,179.50-548,237.97

Finding the Fourth Proportional to 828,786.33, 1,243,179.50 and 548,237.97

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Solution

The fourth proportional to 828,786.33, 1,243,179.50 and 548,237.97 is: 822,356.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,786.33 : 1,243,179.50 = 548,237.97 : x
  2. Step 2: Convert to fraction form
    828,786.33/1,243,179.50 = 548,237.97/x
  3. Step 3: Cross multiply
    828,786.33x = 1,243,179.50 × 548,237.97
  4. Step 4: Simplify right side
    828,786.33x = 681,558,202,684.43
  5. Step 5: Solve for x
    x = 681,558,202,684.43/828,786.33
  6. Step 6: Final answer
    x = 822,356.96

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Double scale
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Similar ratio
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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.