Home / 1,131,822.99-1,561,945.28-622,538.73

Finding the Fourth Proportional to 1,131,822.99, 1,561,945.28 and 622,538.73

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Solution

The fourth proportional to 1,131,822.99, 1,561,945.28 and 622,538.73 is: 859,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,822.99 : 1,561,945.28 = 622,538.73 : x
  2. Step 2: Convert to fraction form
    1,131,822.99/1,561,945.28 = 622,538.73/x
  3. Step 3: Cross multiply
    1,131,822.99x = 1,561,945.28 × 622,538.73
  4. Step 4: Simplify right side
    1,131,822.99x = 972,371,430,940.69
  5. Step 5: Solve for x
    x = 972,371,430,940.69/1,131,822.99
  6. Step 6: Final answer
    x = 859,119.70

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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.