Home / 1,992,273.57-2,985,669.32-853,672.77

Finding the Fourth Proportional to 1,992,273.57, 2,985,669.32 and 853,672.77

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Solution

The fourth proportional to 1,992,273.57, 2,985,669.32 and 853,672.77 is: 1,279,334.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,273.57 : 2,985,669.32 = 853,672.77 : x
  2. Step 2: Convert to fraction form
    1,992,273.57/2,985,669.32 = 853,672.77/x
  3. Step 3: Cross multiply
    1,992,273.57x = 2,985,669.32 × 853,672.77
  4. Step 4: Simplify right side
    1,992,273.57x = 2,548,784,594,440.05
  5. Step 5: Solve for x
    x = 2,548,784,594,440.05/1,992,273.57
  6. Step 6: Final answer
    x = 1,279,334.64

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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.