Home / 1,276,072.53-1,761,104.19-953,222.12

Finding the Fourth Proportional to 1,276,072.53, 1,761,104.19 and 953,222.12

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Solution

The fourth proportional to 1,276,072.53, 1,761,104.19 and 953,222.12 is: 1,315,539.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,072.53 : 1,761,104.19 = 953,222.12 : x
  2. Step 2: Convert to fraction form
    1,276,072.53/1,761,104.19 = 953,222.12/x
  3. Step 3: Cross multiply
    1,276,072.53x = 1,761,104.19 × 953,222.12
  4. Step 4: Simplify right side
    1,276,072.53x = 1,678,723,469,532.68
  5. Step 5: Solve for x
    x = 1,678,723,469,532.68/1,276,072.53
  6. Step 6: Final answer
    x = 1,315,539.23

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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.