Home / 827,663.60-1,241,495.40-822,414.80

Finding the Fourth Proportional to 827,663.60, 1,241,495.40 and 822,414.80

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Solution

The fourth proportional to 827,663.60, 1,241,495.40 and 822,414.80 is: 1,233,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,663.60 : 1,241,495.40 = 822,414.80 : x
  2. Step 2: Convert to fraction form
    827,663.60/1,241,495.40 = 822,414.80/x
  3. Step 3: Cross multiply
    827,663.60x = 1,241,495.40 × 822,414.80
  4. Step 4: Simplify right side
    827,663.60x = 1,021,024,191,091.92
  5. Step 5: Solve for x
    x = 1,021,024,191,091.92/827,663.60
  6. Step 6: Final answer
    x = 1,233,622.20

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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.