Home / 548,982.51-823,540.19-193,923.87

Finding the Fourth Proportional to 548,982.51, 823,540.19 and 193,923.87

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Solution

The fourth proportional to 548,982.51, 823,540.19 and 193,923.87 is: 290,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,982.51 : 823,540.19 = 193,923.87 : x
  2. Step 2: Convert to fraction form
    548,982.51/823,540.19 = 193,923.87/x
  3. Step 3: Cross multiply
    548,982.51x = 823,540.19 × 193,923.87
  4. Step 4: Simplify right side
    548,982.51x = 159,704,099,775.72
  5. Step 5: Solve for x
    x = 159,704,099,775.72/548,982.51
  6. Step 6: Final answer
    x = 290,909.27

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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.