Home / 1,086,009.80-1,629,006.60-327,849.80

Finding the Fourth Proportional to 1,086,009.80, 1,629,006.60 and 327,849.80

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Solution

The fourth proportional to 1,086,009.80, 1,629,006.60 and 327,849.80 is: 491,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,009.80 : 1,629,006.60 = 327,849.80 : x
  2. Step 2: Convert to fraction form
    1,086,009.80/1,629,006.60 = 327,849.80/x
  3. Step 3: Cross multiply
    1,086,009.80x = 1,629,006.60 × 327,849.80
  4. Step 4: Simplify right side
    1,086,009.80x = 534,069,488,008.68
  5. Step 5: Solve for x
    x = 534,069,488,008.68/1,086,009.80
  6. Step 6: Final answer
    x = 491,772.25

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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.