Home / 268,317.15-402,475.73-264,380.55

Finding the Fourth Proportional to 268,317.15, 402,475.73 and 264,380.55

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Solution

The fourth proportional to 268,317.15, 402,475.73 and 264,380.55 is: 396,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,317.15 : 402,475.73 = 264,380.55 : x
  2. Step 2: Convert to fraction form
    268,317.15/402,475.73 = 264,380.55/x
  3. Step 3: Cross multiply
    268,317.15x = 402,475.73 × 264,380.55
  4. Step 4: Simplify right side
    268,317.15x = 106,406,753,537.15
  5. Step 5: Solve for x
    x = 106,406,753,537.15/268,317.15
  6. Step 6: Final answer
    x = 396,570.83

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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.