Home / 1,198,622.57-1,797,921.54-692,861.73

Finding the Fourth Proportional to 1,198,622.57, 1,797,921.54 and 692,861.73

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Solution

The fourth proportional to 1,198,622.57, 1,797,921.54 and 692,861.73 is: 1,039,285.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,622.57 : 1,797,921.54 = 692,861.73 : x
  2. Step 2: Convert to fraction form
    1,198,622.57/1,797,921.54 = 692,861.73/x
  3. Step 3: Cross multiply
    1,198,622.57x = 1,797,921.54 × 692,861.73
  4. Step 4: Simplify right side
    1,198,622.57x = 1,245,711,031,353.85
  5. Step 5: Solve for x
    x = 1,245,711,031,353.85/1,198,622.57
  6. Step 6: Final answer
    x = 1,039,285.48

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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.