Home / 1,426,806.33-1,968,992.26-782,212.70

Finding the Fourth Proportional to 1,426,806.33, 1,968,992.26 and 782,212.70

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Solution

The fourth proportional to 1,426,806.33, 1,968,992.26 and 782,212.70 is: 1,079,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,806.33 : 1,968,992.26 = 782,212.70 : x
  2. Step 2: Convert to fraction form
    1,426,806.33/1,968,992.26 = 782,212.70/x
  3. Step 3: Cross multiply
    1,426,806.33x = 1,968,992.26 × 782,212.70
  4. Step 4: Simplify right side
    1,426,806.33x = 1,540,170,751,973.70
  5. Step 5: Solve for x
    x = 1,540,170,751,973.70/1,426,806.33
  6. Step 6: Final answer
    x = 1,079,453.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.