Home / 411,758.10-568,199.79-230,439.42

Finding the Fourth Proportional to 411,758.10, 568,199.79 and 230,439.42

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Solution

The fourth proportional to 411,758.10, 568,199.79 and 230,439.42 is: 317,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,758.10 : 568,199.79 = 230,439.42 : x
  2. Step 2: Convert to fraction form
    411,758.10/568,199.79 = 230,439.42/x
  3. Step 3: Cross multiply
    411,758.10x = 568,199.79 × 230,439.42
  4. Step 4: Simplify right side
    411,758.10x = 130,935,630,051.72
  5. Step 5: Solve for x
    x = 130,935,630,051.72/411,758.10
  6. Step 6: Final answer
    x = 317,991.63

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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.