Home / 427,584.36-641,081.34-187,583.04

Finding the Fourth Proportional to 427,584.36, 641,081.34 and 187,583.04

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Solution

The fourth proportional to 427,584.36, 641,081.34 and 187,583.04 is: 281,245.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,584.36 : 641,081.34 = 187,583.04 : x
  2. Step 2: Convert to fraction form
    427,584.36/641,081.34 = 187,583.04/x
  3. Step 3: Cross multiply
    427,584.36x = 641,081.34 × 187,583.04
  4. Step 4: Simplify right side
    427,584.36x = 120,255,986,644.47
  5. Step 5: Solve for x
    x = 120,255,986,644.47/427,584.36
  6. Step 6: Final answer
    x = 281,245.05

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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.