Home / 824,442.20-1,236,663.30-682,724.60

Finding the Fourth Proportional to 824,442.20, 1,236,663.30 and 682,724.60

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Solution

The fourth proportional to 824,442.20, 1,236,663.30 and 682,724.60 is: 1,024,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,442.20 : 1,236,663.30 = 682,724.60 : x
  2. Step 2: Convert to fraction form
    824,442.20/1,236,663.30 = 682,724.60/x
  3. Step 3: Cross multiply
    824,442.20x = 1,236,663.30 × 682,724.60
  4. Step 4: Simplify right side
    824,442.20x = 844,300,456,827.18
  5. Step 5: Solve for x
    x = 844,300,456,827.18/824,442.20
  6. Step 6: Final answer
    x = 1,024,086.90

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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.