Home / 411,936.78-568,457.01-230,631.75

Finding the Fourth Proportional to 411,936.78, 568,457.01 and 230,631.75

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Solution

The fourth proportional to 411,936.78, 568,457.01 and 230,631.75 is: 318,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,936.78 : 568,457.01 = 230,631.75 : x
  2. Step 2: Convert to fraction form
    411,936.78/568,457.01 = 230,631.75/x
  3. Step 3: Cross multiply
    411,936.78x = 568,457.01 × 230,631.75
  4. Step 4: Simplify right side
    411,936.78x = 131,104,235,016.07
  5. Step 5: Solve for x
    x = 131,104,235,016.07/411,936.78
  6. Step 6: Final answer
    x = 318,263.00

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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.