Home / 1,181,137.92-1,629,969.78-644,593.92

Finding the Fourth Proportional to 1,181,137.92, 1,629,969.78 and 644,593.92

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Solution

The fourth proportional to 1,181,137.92, 1,629,969.78 and 644,593.92 is: 889,539.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,137.92 : 1,629,969.78 = 644,593.92 : x
  2. Step 2: Convert to fraction form
    1,181,137.92/1,629,969.78 = 644,593.92/x
  3. Step 3: Cross multiply
    1,181,137.92x = 1,629,969.78 × 644,593.92
  4. Step 4: Simplify right side
    1,181,137.92x = 1,050,668,609,971.74
  5. Step 5: Solve for x
    x = 1,050,668,609,971.74/1,181,137.92
  6. Step 6: Final answer
    x = 889,539.31

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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.