Home / 455,301.10-682,951.65-231,352.30

Finding the Fourth Proportional to 455,301.10, 682,951.65 and 231,352.30

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Solution

The fourth proportional to 455,301.10, 682,951.65 and 231,352.30 is: 347,028.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,301.10 : 682,951.65 = 231,352.30 : x
  2. Step 2: Convert to fraction form
    455,301.10/682,951.65 = 231,352.30/x
  3. Step 3: Cross multiply
    455,301.10x = 682,951.65 × 231,352.30
  4. Step 4: Simplify right side
    455,301.10x = 158,002,435,016.30
  5. Step 5: Solve for x
    x = 158,002,435,016.30/455,301.10
  6. Step 6: Final answer
    x = 347,028.45

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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.