Home / 1,204,102.02-1,661,663.13-667,558.02

Finding the Fourth Proportional to 1,204,102.02, 1,661,663.13 and 667,558.02

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Solution

The fourth proportional to 1,204,102.02, 1,661,663.13 and 667,558.02 is: 921,231.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,102.02 : 1,661,663.13 = 667,558.02 : x
  2. Step 2: Convert to fraction form
    1,204,102.02/1,661,663.13 = 667,558.02/x
  3. Step 3: Cross multiply
    1,204,102.02x = 1,661,663.13 × 667,558.02
  4. Step 4: Simplify right side
    1,204,102.02x = 1,109,256,548,969.80
  5. Step 5: Solve for x
    x = 1,109,256,548,969.80/1,204,102.02
  6. Step 6: Final answer
    x = 921,231.37

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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.