Home / 683,979.92-1,026,021.44-204,169.82

Finding the Fourth Proportional to 683,979.92, 1,026,021.44 and 204,169.82

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Solution

The fourth proportional to 683,979.92, 1,026,021.44 and 204,169.82 is: 306,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,979.92 : 1,026,021.44 = 204,169.82 : x
  2. Step 2: Convert to fraction form
    683,979.92/1,026,021.44 = 204,169.82/x
  3. Step 3: Cross multiply
    683,979.92x = 1,026,021.44 × 204,169.82
  4. Step 4: Simplify right side
    683,979.92x = 209,482,612,720.94
  5. Step 5: Solve for x
    x = 209,482,612,720.94/683,979.92
  6. Step 6: Final answer
    x = 306,270.12

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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.