Home / 441,026.80-661,540.20-307,625.20

Finding the Fourth Proportional to 441,026.80, 661,540.20 and 307,625.20

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Solution

The fourth proportional to 441,026.80, 661,540.20 and 307,625.20 is: 461,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,026.80 : 661,540.20 = 307,625.20 : x
  2. Step 2: Convert to fraction form
    441,026.80/661,540.20 = 307,625.20/x
  3. Step 3: Cross multiply
    441,026.80x = 661,540.20 × 307,625.20
  4. Step 4: Simplify right side
    441,026.80x = 203,506,436,333.04
  5. Step 5: Solve for x
    x = 203,506,436,333.04/441,026.80
  6. Step 6: Final answer
    x = 461,437.80

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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.