Home / 411,769.09-568,160.56-258,718.61

Finding the Fourth Proportional to 411,769.09, 568,160.56 and 258,718.61

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Solution

The fourth proportional to 411,769.09, 568,160.56 and 258,718.61 is: 356,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,769.09 : 568,160.56 = 258,718.61 : x
  2. Step 2: Convert to fraction form
    411,769.09/568,160.56 = 258,718.61/x
  3. Step 3: Cross multiply
    411,769.09x = 568,160.56 × 258,718.61
  4. Step 4: Simplify right side
    411,769.09x = 146,993,708,919.62
  5. Step 5: Solve for x
    x = 146,993,708,919.62/411,769.09
  6. Step 6: Final answer
    x = 356,980.92

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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.