Home / 515,899.94-773,829.11-263,174.89

Finding the Fourth Proportional to 515,899.94, 773,829.11 and 263,174.89

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Solution

The fourth proportional to 515,899.94, 773,829.11 and 263,174.89 is: 394,751.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,899.94 : 773,829.11 = 263,174.89 : x
  2. Step 2: Convert to fraction form
    515,899.94/773,829.11 = 263,174.89/x
  3. Step 3: Cross multiply
    515,899.94x = 773,829.11 × 263,174.89
  4. Step 4: Simplify right side
    515,899.94x = 203,652,385,718.03
  5. Step 5: Solve for x
    x = 203,652,385,718.03/515,899.94
  6. Step 6: Final answer
    x = 394,751.71

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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.