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Finding the Fourth Proportional to 1,093,669.65, 1,640,504.48 and 1,027,184.85

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Solution

The fourth proportional to 1,093,669.65, 1,640,504.48 and 1,027,184.85 is: 1,540,777.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,669.65 : 1,640,504.48 = 1,027,184.85 : x
  2. Step 2: Convert to fraction form
    1,093,669.65/1,640,504.48 = 1,027,184.85/x
  3. Step 3: Cross multiply
    1,093,669.65x = 1,640,504.48 × 1,027,184.85
  4. Step 4: Simplify right side
    1,093,669.65x = 1,685,101,343,077.20
  5. Step 5: Solve for x
    x = 1,685,101,343,077.20/1,093,669.65
  6. Step 6: Final answer
    x = 1,540,777.28

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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.