Home / 839,793.66-1,260,418.38-440,716.38

Finding the Fourth Proportional to 839,793.66, 1,260,418.38 and 440,716.38

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Solution

The fourth proportional to 839,793.66, 1,260,418.38 and 440,716.38 is: 661,456.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,793.66 : 1,260,418.38 = 440,716.38 : x
  2. Step 2: Convert to fraction form
    839,793.66/1,260,418.38 = 440,716.38/x
  3. Step 3: Cross multiply
    839,793.66x = 1,260,418.38 × 440,716.38
  4. Step 4: Simplify right side
    839,793.66x = 555,487,025,719.06
  5. Step 5: Solve for x
    x = 555,487,025,719.06/839,793.66
  6. Step 6: Final answer
    x = 661,456.56

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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.