Home / 695,084.22-1,042,708.41-221,603.58

Finding the Fourth Proportional to 695,084.22, 1,042,708.41 and 221,603.58

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Solution

The fourth proportional to 695,084.22, 1,042,708.41 and 221,603.58 is: 332,431.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,084.22 : 1,042,708.41 = 221,603.58 : x
  2. Step 2: Convert to fraction form
    695,084.22/1,042,708.41 = 221,603.58/x
  3. Step 3: Cross multiply
    695,084.22x = 1,042,708.41 × 221,603.58
  4. Step 4: Simplify right side
    695,084.22x = 231,067,916,552.11
  5. Step 5: Solve for x
    x = 231,067,916,552.11/695,084.22
  6. Step 6: Final answer
    x = 332,431.54

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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.