Home / 441,119.60-661,679.40-253,977.20

Finding the Fourth Proportional to 441,119.60, 661,679.40 and 253,977.20

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Solution

The fourth proportional to 441,119.60, 661,679.40 and 253,977.20 is: 380,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,119.60 : 661,679.40 = 253,977.20 : x
  2. Step 2: Convert to fraction form
    441,119.60/661,679.40 = 253,977.20/x
  3. Step 3: Cross multiply
    441,119.60x = 661,679.40 × 253,977.20
  4. Step 4: Simplify right side
    441,119.60x = 168,051,481,309.68
  5. Step 5: Solve for x
    x = 168,051,481,309.68/441,119.60
  6. Step 6: Final answer
    x = 380,965.80

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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.