Home / 548,051.20-821,882.40-193,076.80

Finding the Fourth Proportional to 548,051.20, 821,882.40 and 193,076.80

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Solution

The fourth proportional to 548,051.20, 821,882.40 and 193,076.80 is: 289,546.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,051.20 : 821,882.40 = 193,076.80 : x
  2. Step 2: Convert to fraction form
    548,051.20/821,882.40 = 193,076.80/x
  3. Step 3: Cross multiply
    548,051.20x = 821,882.40 × 193,076.80
  4. Step 4: Simplify right side
    548,051.20x = 158,686,423,768.32
  5. Step 5: Solve for x
    x = 158,686,423,768.32/548,051.20
  6. Step 6: Final answer
    x = 289,546.71

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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.