Home / 1,093,967.80-1,640,174.10-419,788.60

Finding the Fourth Proportional to 1,093,967.80, 1,640,174.10 and 419,788.60

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Solution

The fourth proportional to 1,093,967.80, 1,640,174.10 and 419,788.60 is: 629,384.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,967.80 : 1,640,174.10 = 419,788.60 : x
  2. Step 2: Convert to fraction form
    1,093,967.80/1,640,174.10 = 419,788.60/x
  3. Step 3: Cross multiply
    1,093,967.80x = 1,640,174.10 × 419,788.60
  4. Step 4: Simplify right side
    1,093,967.80x = 688,526,389,195.26
  5. Step 5: Solve for x
    x = 688,526,389,195.26/1,093,967.80
  6. Step 6: Final answer
    x = 629,384.51

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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.