Home / 422,731.24-583,428.78-261,638.20

Finding the Fourth Proportional to 422,731.24, 583,428.78 and 261,638.20

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Solution

The fourth proportional to 422,731.24, 583,428.78 and 261,638.20 is: 361,097.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,731.24 : 583,428.78 = 261,638.20 : x
  2. Step 2: Convert to fraction form
    422,731.24/583,428.78 = 261,638.20/x
  3. Step 3: Cross multiply
    422,731.24x = 583,428.78 × 261,638.20
  4. Step 4: Simplify right side
    422,731.24x = 152,647,255,827.40
  5. Step 5: Solve for x
    x = 152,647,255,827.40/422,731.24
  6. Step 6: Final answer
    x = 361,097.65

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