Home / 576,138.29-863,719.45-238,968.50

Finding the Fourth Proportional to 576,138.29, 863,719.45 and 238,968.50

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Solution

The fourth proportional to 576,138.29, 863,719.45 and 238,968.50 is: 358,250.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,138.29 : 863,719.45 = 238,968.50 : x
  2. Step 2: Convert to fraction form
    576,138.29/863,719.45 = 238,968.50/x
  3. Step 3: Cross multiply
    576,138.29x = 863,719.45 × 238,968.50
  4. Step 4: Simplify right side
    576,138.29x = 206,401,745,103.14
  5. Step 5: Solve for x
    x = 206,401,745,103.14/576,138.29
  6. Step 6: Final answer
    x = 358,250.35

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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.