Home / 494,015.40-681,741.90-267,660.72

Finding the Fourth Proportional to 494,015.40, 681,741.90 and 267,660.72

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Solution

The fourth proportional to 494,015.40, 681,741.90 and 267,660.72 is: 369,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,015.40 : 681,741.90 = 267,660.72 : x
  2. Step 2: Convert to fraction form
    494,015.40/681,741.90 = 267,660.72/x
  3. Step 3: Cross multiply
    494,015.40x = 681,741.90 × 267,660.72
  4. Step 4: Simplify right side
    494,015.40x = 182,475,527,808.17
  5. Step 5: Solve for x
    x = 182,475,527,808.17/494,015.40
  6. Step 6: Final answer
    x = 369,372.14

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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.