Home / 1,331,041.82-1,836,176.45-786,912.57

Finding the Fourth Proportional to 1,331,041.82, 1,836,176.45 and 786,912.57

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Solution

The fourth proportional to 1,331,041.82, 1,836,176.45 and 786,912.57 is: 1,085,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,041.82 : 1,836,176.45 = 786,912.57 : x
  2. Step 2: Convert to fraction form
    1,331,041.82/1,836,176.45 = 786,912.57/x
  3. Step 3: Cross multiply
    1,331,041.82x = 1,836,176.45 × 786,912.57
  4. Step 4: Simplify right side
    1,331,041.82x = 1,444,910,325,308.41
  5. Step 5: Solve for x
    x = 1,444,910,325,308.41/1,331,041.82
  6. Step 6: Final answer
    x = 1,085,548.41

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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.