Home / 1,122,299.70-1,684,120.26-412,399.50

Finding the Fourth Proportional to 1,122,299.70, 1,684,120.26 and 412,399.50

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Solution

The fourth proportional to 1,122,299.70, 1,684,120.26 and 412,399.50 is: 618,845.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,299.70 : 1,684,120.26 = 412,399.50 : x
  2. Step 2: Convert to fraction form
    1,122,299.70/1,684,120.26 = 412,399.50/x
  3. Step 3: Cross multiply
    1,122,299.70x = 1,684,120.26 × 412,399.50
  4. Step 4: Simplify right side
    1,122,299.70x = 694,530,353,163.87
  5. Step 5: Solve for x
    x = 694,530,353,163.87/1,122,299.70
  6. Step 6: Final answer
    x = 618,845.71

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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.