Home / 1,204,111.02-1,661,675.55-667,567.02

Finding the Fourth Proportional to 1,204,111.02, 1,661,675.55 and 667,567.02

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Solution

The fourth proportional to 1,204,111.02, 1,661,675.55 and 667,567.02 is: 921,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,111.02 : 1,661,675.55 = 667,567.02 : x
  2. Step 2: Convert to fraction form
    1,204,111.02/1,661,675.55 = 667,567.02/x
  3. Step 3: Cross multiply
    1,204,111.02x = 1,661,675.55 × 667,567.02
  4. Step 4: Simplify right side
    1,204,111.02x = 1,109,279,795,120.36
  5. Step 5: Solve for x
    x = 1,109,279,795,120.36/1,204,111.02
  6. Step 6: Final answer
    x = 921,243.79

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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.