Home / 576,215.42-795,156.43-318,086.82

Finding the Fourth Proportional to 576,215.42, 795,156.43 and 318,086.82

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Solution

The fourth proportional to 576,215.42, 795,156.43 and 318,086.82 is: 438,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,215.42 : 795,156.43 = 318,086.82 : x
  2. Step 2: Convert to fraction form
    576,215.42/795,156.43 = 318,086.82/x
  3. Step 3: Cross multiply
    576,215.42x = 795,156.43 × 318,086.82
  4. Step 4: Simplify right side
    576,215.42x = 252,928,780,221.25
  5. Step 5: Solve for x
    x = 252,928,780,221.25/576,215.42
  6. Step 6: Final answer
    x = 438,948.30

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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.