Home / 680,233.40-1,019,183.70-443,454.20

Finding the Fourth Proportional to 680,233.40, 1,019,183.70 and 443,454.20

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Solution

The fourth proportional to 680,233.40, 1,019,183.70 and 443,454.20 is: 664,420.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,233.40 : 1,019,183.70 = 443,454.20 : x
  2. Step 2: Convert to fraction form
    680,233.40/1,019,183.70 = 443,454.20/x
  3. Step 3: Cross multiply
    680,233.40x = 1,019,183.70 × 443,454.20
  4. Step 4: Simplify right side
    680,233.40x = 451,961,292,336.54
  5. Step 5: Solve for x
    x = 451,961,292,336.54/680,233.40
  6. Step 6: Final answer
    x = 664,420.91

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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.