Home / 1,726,578.40-2,589,640.80-528,620.80

Finding the Fourth Proportional to 1,726,578.40, 2,589,640.80 and 528,620.80

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Solution

The fourth proportional to 1,726,578.40, 2,589,640.80 and 528,620.80 is: 792,861.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,578.40 : 2,589,640.80 = 528,620.80 : x
  2. Step 2: Convert to fraction form
    1,726,578.40/2,589,640.80 = 528,620.80/x
  3. Step 3: Cross multiply
    1,726,578.40x = 2,589,640.80 × 528,620.80
  4. Step 4: Simplify right side
    1,726,578.40x = 1,368,937,991,408.64
  5. Step 5: Solve for x
    x = 1,368,937,991,408.64/1,726,578.40
  6. Step 6: Final answer
    x = 792,861.76

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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.