Home / 722,822.41-1,084,286.88-190,339.75

Finding the Fourth Proportional to 722,822.41, 1,084,286.88 and 190,339.75

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Solution

The fourth proportional to 722,822.41, 1,084,286.88 and 190,339.75 is: 285,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,822.41 : 1,084,286.88 = 190,339.75 : x
  2. Step 2: Convert to fraction form
    722,822.41/1,084,286.88 = 190,339.75/x
  3. Step 3: Cross multiply
    722,822.41x = 1,084,286.88 × 190,339.75
  4. Step 4: Simplify right side
    722,822.41x = 206,382,893,667.48
  5. Step 5: Solve for x
    x = 206,382,893,667.48/722,822.41
  6. Step 6: Final answer
    x = 285,523.65

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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.