Home / 411,639.28-568,092.72-230,369.36

Finding the Fourth Proportional to 411,639.28, 568,092.72 and 230,369.36

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Solution

The fourth proportional to 411,639.28, 568,092.72 and 230,369.36 is: 317,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,639.28 : 568,092.72 = 230,369.36 : x
  2. Step 2: Convert to fraction form
    411,639.28/568,092.72 = 230,369.36/x
  3. Step 3: Cross multiply
    411,639.28x = 568,092.72 × 230,369.36
  4. Step 4: Simplify right side
    411,639.28x = 130,871,156,327.06
  5. Step 5: Solve for x
    x = 130,871,156,327.06/411,639.28
  6. Step 6: Final answer
    x = 317,926.79

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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.