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Finding the Fourth Proportional to 1,739,604.90, 2,400,735.54 and 1,086,617.52

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Solution

The fourth proportional to 1,739,604.90, 2,400,735.54 and 1,086,617.52 is: 1,499,582.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,604.90 : 2,400,735.54 = 1,086,617.52 : x
  2. Step 2: Convert to fraction form
    1,739,604.90/2,400,735.54 = 1,086,617.52/x
  3. Step 3: Cross multiply
    1,739,604.90x = 2,400,735.54 × 1,086,617.52
  4. Step 4: Simplify right side
    1,739,604.90x = 2,608,681,298,650.66
  5. Step 5: Solve for x
    x = 2,608,681,298,650.66/1,739,604.90
  6. Step 6: Final answer
    x = 1,499,582.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.