Home / 1,201,198.85-1,657,654.52-657,334.61

Finding the Fourth Proportional to 1,201,198.85, 1,657,654.52 and 657,334.61

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Solution

The fourth proportional to 1,201,198.85, 1,657,654.52 and 657,334.61 is: 907,121.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,198.85 : 1,657,654.52 = 657,334.61 : x
  2. Step 2: Convert to fraction form
    1,201,198.85/1,657,654.52 = 657,334.61/x
  3. Step 3: Cross multiply
    1,201,198.85x = 1,657,654.52 × 657,334.61
  4. Step 4: Simplify right side
    1,201,198.85x = 1,089,633,675,843.99
  5. Step 5: Solve for x
    x = 1,089,633,675,843.99/1,201,198.85
  6. Step 6: Final answer
    x = 907,121.81

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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.