Home / 1,299,806.33-1,949,231.93-446,636.03

Finding the Fourth Proportional to 1,299,806.33, 1,949,231.93 and 446,636.03

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Solution

The fourth proportional to 1,299,806.33, 1,949,231.93 and 446,636.03 is: 669,789.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,806.33 : 1,949,231.93 = 446,636.03 : x
  2. Step 2: Convert to fraction form
    1,299,806.33/1,949,231.93 = 446,636.03/x
  3. Step 3: Cross multiply
    1,299,806.33x = 1,949,231.93 × 446,636.03
  4. Step 4: Simplify right side
    1,299,806.33x = 870,597,198,785.10
  5. Step 5: Solve for x
    x = 870,597,198,785.10/1,299,806.33
  6. Step 6: Final answer
    x = 669,789.94

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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.