Home / 839,446.08-1,259,540.96-439,991.92

Finding the Fourth Proportional to 839,446.08, 1,259,540.96 and 439,991.92

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Solution

The fourth proportional to 839,446.08, 1,259,540.96 and 439,991.92 is: 660,182.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,446.08 : 1,259,540.96 = 439,991.92 : x
  2. Step 2: Convert to fraction form
    839,446.08/1,259,540.96 = 439,991.92/x
  3. Step 3: Cross multiply
    839,446.08x = 1,259,540.96 × 439,991.92
  4. Step 4: Simplify right side
    839,446.08x = 554,187,845,309.04
  5. Step 5: Solve for x
    x = 554,187,845,309.04/839,446.08
  6. Step 6: Final answer
    x = 660,182.78

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1.5x scale

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.