Home / 441,267.27-661,816.25-171,395.11

Finding the Fourth Proportional to 441,267.27, 661,816.25 and 171,395.11

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Solution

The fourth proportional to 441,267.27, 661,816.25 and 171,395.11 is: 257,059.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,267.27 : 661,816.25 = 171,395.11 : x
  2. Step 2: Convert to fraction form
    441,267.27/661,816.25 = 171,395.11/x
  3. Step 3: Cross multiply
    441,267.27x = 661,816.25 × 171,395.11
  4. Step 4: Simplify right side
    441,267.27x = 113,432,068,968.54
  5. Step 5: Solve for x
    x = 113,432,068,968.54/441,267.27
  6. Step 6: Final answer
    x = 257,059.78

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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.