Home / 411,143.10-567,447.53-239,160.75

Finding the Fourth Proportional to 411,143.10, 567,447.53 and 239,160.75

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Solution

The fourth proportional to 411,143.10, 567,447.53 and 239,160.75 is: 330,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,143.10 : 567,447.53 = 239,160.75 : x
  2. Step 2: Convert to fraction form
    411,143.10/567,447.53 = 239,160.75/x
  3. Step 3: Cross multiply
    411,143.10x = 567,447.53 × 239,160.75
  4. Step 4: Simplify right side
    411,143.10x = 135,711,175,664.64
  5. Step 5: Solve for x
    x = 135,711,175,664.64/411,143.10
  6. Step 6: Final answer
    x = 330,082.58

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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.