Home / 441,268.27-661,817.75-171,396.11

Finding the Fourth Proportional to 441,268.27, 661,817.75 and 171,396.11

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Solution

The fourth proportional to 441,268.27, 661,817.75 and 171,396.11 is: 257,061.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,268.27 : 661,817.75 = 171,396.11 : x
  2. Step 2: Convert to fraction form
    441,268.27/661,817.75 = 171,396.11/x
  3. Step 3: Cross multiply
    441,268.27x = 661,817.75 × 171,396.11
  4. Step 4: Simplify right side
    441,268.27x = 113,432,987,878.95
  5. Step 5: Solve for x
    x = 113,432,987,878.95/441,268.27
  6. Step 6: Final answer
    x = 257,061.28

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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.