Home / 741,148.97-1,022,374.77-431,017.61

Finding the Fourth Proportional to 741,148.97, 1,022,374.77 and 431,017.61

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Solution

The fourth proportional to 741,148.97, 1,022,374.77 and 431,017.61 is: 594,565.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,148.97 : 1,022,374.77 = 431,017.61 : x
  2. Step 2: Convert to fraction form
    741,148.97/1,022,374.77 = 431,017.61/x
  3. Step 3: Cross multiply
    741,148.97x = 1,022,374.77 × 431,017.61
  4. Step 4: Simplify right side
    741,148.97x = 440,661,524,777.83
  5. Step 5: Solve for x
    x = 440,661,524,777.83/741,148.97
  6. Step 6: Final answer
    x = 594,565.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.