Home / 567,218.44-782,778.15-312,586.03

Finding the Fourth Proportional to 567,218.44, 782,778.15 and 312,586.03

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Solution

The fourth proportional to 567,218.44, 782,778.15 and 312,586.03 is: 431,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,218.44 : 782,778.15 = 312,586.03 : x
  2. Step 2: Convert to fraction form
    567,218.44/782,778.15 = 312,586.03/x
  3. Step 3: Cross multiply
    567,218.44x = 782,778.15 × 312,586.03
  4. Step 4: Simplify right side
    567,218.44x = 244,685,512,322.30
  5. Step 5: Solve for x
    x = 244,685,512,322.30/567,218.44
  6. Step 6: Final answer
    x = 431,377.92

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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.