Home / 664,946.90-998,896.62-412,414.04

Finding the Fourth Proportional to 664,946.90, 998,896.62 and 412,414.04

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Solution

The fourth proportional to 664,946.90, 998,896.62 and 412,414.04 is: 619,536.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,946.90 : 998,896.62 = 412,414.04 : x
  2. Step 2: Convert to fraction form
    664,946.90/998,896.62 = 412,414.04/x
  3. Step 3: Cross multiply
    664,946.90x = 998,896.62 × 412,414.04
  4. Step 4: Simplify right side
    664,946.90x = 411,958,990,596.55
  5. Step 5: Solve for x
    x = 411,958,990,596.55/664,946.90
  6. Step 6: Final answer
    x = 619,536.67

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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.