Home / 411,620.08-568,016.40-230,355.04

Finding the Fourth Proportional to 411,620.08, 568,016.40 and 230,355.04

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Solution

The fourth proportional to 411,620.08, 568,016.40 and 230,355.04 is: 317,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,620.08 : 568,016.40 = 230,355.04 : x
  2. Step 2: Convert to fraction form
    411,620.08/568,016.40 = 230,355.04/x
  3. Step 3: Cross multiply
    411,620.08x = 568,016.40 × 230,355.04
  4. Step 4: Simplify right side
    411,620.08x = 130,845,440,542.66
  5. Step 5: Solve for x
    x = 130,845,440,542.66/411,620.08
  6. Step 6: Final answer
    x = 317,879.15

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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.