Home / 741,904.80-1,112,857.20-442,723.20

Finding the Fourth Proportional to 741,904.80, 1,112,857.20 and 442,723.20

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Solution

The fourth proportional to 741,904.80, 1,112,857.20 and 442,723.20 is: 664,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,904.80 : 1,112,857.20 = 442,723.20 : x
  2. Step 2: Convert to fraction form
    741,904.80/1,112,857.20 = 442,723.20/x
  3. Step 3: Cross multiply
    741,904.80x = 1,112,857.20 × 442,723.20
  4. Step 4: Simplify right side
    741,904.80x = 492,687,700,727.04
  5. Step 5: Solve for x
    x = 492,687,700,727.04/741,904.80
  6. Step 6: Final answer
    x = 664,084.80

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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.