Home / 481,501.36-721,822.56-228,625.84

Finding the Fourth Proportional to 481,501.36, 721,822.56 and 228,625.84

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Solution

The fourth proportional to 481,501.36, 721,822.56 and 228,625.84 is: 342,734.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,501.36 : 721,822.56 = 228,625.84 : x
  2. Step 2: Convert to fraction form
    481,501.36/721,822.56 = 228,625.84/x
  3. Step 3: Cross multiply
    481,501.36x = 721,822.56 × 228,625.84
  4. Step 4: Simplify right side
    481,501.36x = 165,027,289,110.95
  5. Step 5: Solve for x
    x = 165,027,289,110.95/481,501.36
  6. Step 6: Final answer
    x = 342,734.83

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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.