Home / 411,999.19-568,511.89-230,685.91

Finding the Fourth Proportional to 411,999.19, 568,511.89 and 230,685.91

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Solution

The fourth proportional to 411,999.19, 568,511.89 and 230,685.91 is: 318,320.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,999.19 : 568,511.89 = 230,685.91 : x
  2. Step 2: Convert to fraction form
    411,999.19/568,511.89 = 230,685.91/x
  3. Step 3: Cross multiply
    411,999.19x = 568,511.89 × 230,685.91
  4. Step 4: Simplify right side
    411,999.19x = 131,147,682,690.47
  5. Step 5: Solve for x
    x = 131,147,682,690.47/411,999.19
  6. Step 6: Final answer
    x = 318,320.24

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1.5x scale

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.