Home / 548,998.20-823,632.30-189,174.60

Finding the Fourth Proportional to 548,998.20, 823,632.30 and 189,174.60

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Solution

The fourth proportional to 548,998.20, 823,632.30 and 189,174.60 is: 283,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,998.20 : 823,632.30 = 189,174.60 : x
  2. Step 2: Convert to fraction form
    548,998.20/823,632.30 = 189,174.60/x
  3. Step 3: Cross multiply
    548,998.20x = 823,632.30 × 189,174.60
  4. Step 4: Simplify right side
    548,998.20x = 155,810,310,899.58
  5. Step 5: Solve for x
    x = 155,810,310,899.58/548,998.20
  6. Step 6: Final answer
    x = 283,808.42

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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.