Home / 1,231,195.68-1,699,756.92-938,509.56

Finding the Fourth Proportional to 1,231,195.68, 1,699,756.92 and 938,509.56

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Solution

The fourth proportional to 1,231,195.68, 1,699,756.92 and 938,509.56 is: 1,295,682.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,195.68 : 1,699,756.92 = 938,509.56 : x
  2. Step 2: Convert to fraction form
    1,231,195.68/1,699,756.92 = 938,509.56/x
  3. Step 3: Cross multiply
    1,231,195.68x = 1,699,756.92 × 938,509.56
  4. Step 4: Simplify right side
    1,231,195.68x = 1,595,238,119,096.16
  5. Step 5: Solve for x
    x = 1,595,238,119,096.16/1,231,195.68
  6. Step 6: Final answer
    x = 1,295,682.03

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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.