Home / 828,728.58-1,243,092.89-548,180.22

Finding the Fourth Proportional to 828,728.58, 1,243,092.89 and 548,180.22

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Solution

The fourth proportional to 828,728.58, 1,243,092.89 and 548,180.22 is: 822,270.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,728.58 : 1,243,092.89 = 548,180.22 : x
  2. Step 2: Convert to fraction form
    828,728.58/1,243,092.89 = 548,180.22/x
  3. Step 3: Cross multiply
    828,728.58x = 1,243,092.89 × 548,180.22
  4. Step 4: Simplify right side
    828,728.58x = 681,438,935,291.09
  5. Step 5: Solve for x
    x = 681,438,935,291.09/828,728.58
  6. Step 6: Final answer
    x = 822,270.34

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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.