Home / 411,979.50-568,483.85-239,935.06

Finding the Fourth Proportional to 411,979.50, 568,483.85 and 239,935.06

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Solution

The fourth proportional to 411,979.50, 568,483.85 and 239,935.06 is: 331,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,979.50 : 568,483.85 = 239,935.06 : x
  2. Step 2: Convert to fraction form
    411,979.50/568,483.85 = 239,935.06/x
  3. Step 3: Cross multiply
    411,979.50x = 568,483.85 × 239,935.06
  4. Step 4: Simplify right side
    411,979.50x = 136,399,207,969.22
  5. Step 5: Solve for x
    x = 136,399,207,969.22/411,979.50
  6. Step 6: Final answer
    x = 331,082.51

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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.