Home / 1,886,453.75-2,829,727.07-688,375.77

Finding the Fourth Proportional to 1,886,453.75, 2,829,727.07 and 688,375.77

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Solution

The fourth proportional to 1,886,453.75, 2,829,727.07 and 688,375.77 is: 1,032,580.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,453.75 : 2,829,727.07 = 688,375.77 : x
  2. Step 2: Convert to fraction form
    1,886,453.75/2,829,727.07 = 688,375.77/x
  3. Step 3: Cross multiply
    1,886,453.75x = 2,829,727.07 × 688,375.77
  4. Step 4: Simplify right side
    1,886,453.75x = 1,947,915,539,229.15
  5. Step 5: Solve for x
    x = 1,947,915,539,229.15/1,886,453.75
  6. Step 6: Final answer
    x = 1,032,580.60

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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.