Home / 1,231,186.77-1,699,744.50-938,500.56

Finding the Fourth Proportional to 1,231,186.77, 1,699,744.50 and 938,500.56

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Solution

The fourth proportional to 1,231,186.77, 1,699,744.50 and 938,500.56 is: 1,295,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,186.77 : 1,699,744.50 = 938,500.56 : x
  2. Step 2: Convert to fraction form
    1,231,186.77/1,699,744.50 = 938,500.56/x
  3. Step 3: Cross multiply
    1,231,186.77x = 1,699,744.50 × 938,500.56
  4. Step 4: Simplify right side
    1,231,186.77x = 1,595,211,165,106.92
  5. Step 5: Solve for x
    x = 1,595,211,165,106.92/1,231,186.77
  6. Step 6: Final answer
    x = 1,295,669.51

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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.