Home / 839,447.08-1,259,542.46-439,992.92

Finding the Fourth Proportional to 839,447.08, 1,259,542.46 and 439,992.92

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Solution

The fourth proportional to 839,447.08, 1,259,542.46 and 439,992.92 is: 660,184.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,447.08 : 1,259,542.46 = 439,992.92 : x
  2. Step 2: Convert to fraction form
    839,447.08/1,259,542.46 = 439,992.92/x
  3. Step 3: Cross multiply
    839,447.08x = 1,259,542.46 × 439,992.92
  4. Step 4: Simplify right side
    839,447.08x = 554,189,764,839.38
  5. Step 5: Solve for x
    x = 554,189,764,839.38/839,447.08
  6. Step 6: Final answer
    x = 660,184.28

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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.