Home / 411,769.59-568,161.25-258,719.11

Finding the Fourth Proportional to 411,769.59, 568,161.25 and 258,719.11

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Solution

The fourth proportional to 411,769.59, 568,161.25 and 258,719.11 is: 356,981.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,769.59 : 568,161.25 = 258,719.11 : x
  2. Step 2: Convert to fraction form
    411,769.59/568,161.25 = 258,719.11/x
  3. Step 3: Cross multiply
    411,769.59x = 568,161.25 × 258,719.11
  4. Step 4: Simplify right side
    411,769.59x = 146,994,172,936.49
  5. Step 5: Solve for x
    x = 146,994,172,936.49/411,769.59
  6. Step 6: Final answer
    x = 356,981.61

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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.