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Finding the Fourth Proportional to 1,734,867.05, 2,603,190.09 and 837,074.39

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Solution

The fourth proportional to 1,734,867.05, 2,603,190.09 and 837,074.39 is: 1,256,040.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,734,867.05 : 2,603,190.09 = 837,074.39 : x
  2. Step 2: Convert to fraction form
    1,734,867.05/2,603,190.09 = 837,074.39/x
  3. Step 3: Cross multiply
    1,734,867.05x = 2,603,190.09 × 837,074.39
  4. Step 4: Simplify right side
    1,734,867.05x = 2,179,063,756,640.80
  5. Step 5: Solve for x
    x = 2,179,063,756,640.80/1,734,867.05
  6. Step 6: Final answer
    x = 1,256,040.78

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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.