Home / 693,502.20-1,040,598.90-394,212.60

Finding the Fourth Proportional to 693,502.20, 1,040,598.90 and 394,212.60

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Solution

The fourth proportional to 693,502.20, 1,040,598.90 and 394,212.60 is: 591,515.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,502.20 : 1,040,598.90 = 394,212.60 : x
  2. Step 2: Convert to fraction form
    693,502.20/1,040,598.90 = 394,212.60/x
  3. Step 3: Cross multiply
    693,502.20x = 1,040,598.90 × 394,212.60
  4. Step 4: Simplify right side
    693,502.20x = 410,217,197,926.14
  5. Step 5: Solve for x
    x = 410,217,197,926.14/693,502.20
  6. Step 6: Final answer
    x = 591,515.35

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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.