Home / 866,778.46-1,299,667.72-267,579.34

Finding the Fourth Proportional to 866,778.46, 1,299,667.72 and 267,579.34

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Solution

The fourth proportional to 866,778.46, 1,299,667.72 and 267,579.34 is: 401,214.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,778.46 : 1,299,667.72 = 267,579.34 : x
  2. Step 2: Convert to fraction form
    866,778.46/1,299,667.72 = 267,579.34/x
  3. Step 3: Cross multiply
    866,778.46x = 1,299,667.72 × 267,579.34
  4. Step 4: Simplify right side
    866,778.46x = 347,764,230,736.91
  5. Step 5: Solve for x
    x = 347,764,230,736.91/866,778.46
  6. Step 6: Final answer
    x = 401,214.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.