Home / 1,805,777.21-2,708,662.17-439,540.09

Finding the Fourth Proportional to 1,805,777.21, 2,708,662.17 and 439,540.09

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Solution

The fourth proportional to 1,805,777.21, 2,708,662.17 and 439,540.09 is: 659,309.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,777.21 : 2,708,662.17 = 439,540.09 : x
  2. Step 2: Convert to fraction form
    1,805,777.21/2,708,662.17 = 439,540.09/x
  3. Step 3: Cross multiply
    1,805,777.21x = 2,708,662.17 × 439,540.09
  4. Step 4: Simplify right side
    1,805,777.21x = 1,190,565,608,858.02
  5. Step 5: Solve for x
    x = 1,190,565,608,858.02/1,805,777.21
  6. Step 6: Final answer
    x = 659,309.24

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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.