Home / 1,299,399.77-1,947,791.22-541,660.79

Finding the Fourth Proportional to 1,299,399.77, 1,947,791.22 and 541,660.79

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Solution

The fourth proportional to 1,299,399.77, 1,947,791.22 and 541,660.79 is: 811,945.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,399.77 : 1,947,791.22 = 541,660.79 : x
  2. Step 2: Convert to fraction form
    1,299,399.77/1,947,791.22 = 541,660.79/x
  3. Step 3: Cross multiply
    1,299,399.77x = 1,947,791.22 × 541,660.79
  4. Step 4: Simplify right side
    1,299,399.77x = 1,055,042,130,980.26
  5. Step 5: Solve for x
    x = 1,055,042,130,980.26/1,299,399.77
  6. Step 6: Final answer
    x = 811,945.76

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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.