Home / 567,185.06-782,732.09-312,552.65

Finding the Fourth Proportional to 567,185.06, 782,732.09 and 312,552.65

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Solution

The fourth proportional to 567,185.06, 782,732.09 and 312,552.65 is: 431,331.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,185.06 : 782,732.09 = 312,552.65 : x
  2. Step 2: Convert to fraction form
    567,185.06/782,732.09 = 312,552.65/x
  3. Step 3: Cross multiply
    567,185.06x = 782,732.09 × 312,552.65
  4. Step 4: Simplify right side
    567,185.06x = 244,644,991,707.75
  5. Step 5: Solve for x
    x = 244,644,991,707.75/567,185.06
  6. Step 6: Final answer
    x = 431,331.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.