Home / 401,049.35-553,241.10-271,944.15

Finding the Fourth Proportional to 401,049.35, 553,241.10 and 271,944.15

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Solution

The fourth proportional to 401,049.35, 553,241.10 and 271,944.15 is: 375,142.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,049.35 : 553,241.10 = 271,944.15 : x
  2. Step 2: Convert to fraction form
    401,049.35/553,241.10 = 271,944.15/x
  3. Step 3: Cross multiply
    401,049.35x = 553,241.10 × 271,944.15
  4. Step 4: Simplify right side
    401,049.35x = 150,450,680,684.57
  5. Step 5: Solve for x
    x = 150,450,680,684.57/401,049.35
  6. Step 6: Final answer
    x = 375,142.56

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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.