Home / 704,745.52-1,057,120.70-206,109.52

Finding the Fourth Proportional to 704,745.52, 1,057,120.70 and 206,109.52

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Solution

The fourth proportional to 704,745.52, 1,057,120.70 and 206,109.52 is: 309,164.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,745.52 : 1,057,120.70 = 206,109.52 : x
  2. Step 2: Convert to fraction form
    704,745.52/1,057,120.70 = 206,109.52/x
  3. Step 3: Cross multiply
    704,745.52x = 1,057,120.70 × 206,109.52
  4. Step 4: Simplify right side
    704,745.52x = 217,882,640,059.06
  5. Step 5: Solve for x
    x = 217,882,640,059.06/704,745.52
  6. Step 6: Final answer
    x = 309,164.99

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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.