Home / 1,512.22-2,268.33-416.59

Finding the Fourth Proportional to 1,512.22, 2,268.33 and 416.59

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Solution

The fourth proportional to 1,512.22, 2,268.33 and 416.59 is: 624.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512.22 : 2,268.33 = 416.59 : x
  2. Step 2: Convert to fraction form
    1,512.22/2,268.33 = 416.59/x
  3. Step 3: Cross multiply
    1,512.22x = 2,268.33 × 416.59
  4. Step 4: Simplify right side
    1,512.22x = 944,963.59
  5. Step 5: Solve for x
    x = 944,963.59/1,512.22
  6. Step 6: Final answer
    x = 624.89

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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.