Home / 539,922.20-809,799.96-180,099.38

Finding the Fourth Proportional to 539,922.20, 809,799.96 and 180,099.38

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Solution

The fourth proportional to 539,922.20, 809,799.96 and 180,099.38 is: 270,121.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,922.20 : 809,799.96 = 180,099.38 : x
  2. Step 2: Convert to fraction form
    539,922.20/809,799.96 = 180,099.38/x
  3. Step 3: Cross multiply
    539,922.20x = 809,799.96 × 180,099.38
  4. Step 4: Simplify right side
    539,922.20x = 145,844,470,720.03
  5. Step 5: Solve for x
    x = 145,844,470,720.03/539,922.20
  6. Step 6: Final answer
    x = 270,121.27

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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.