Home / 1,093,586.90-1,640,380.35-978,441.35

Finding the Fourth Proportional to 1,093,586.90, 1,640,380.35 and 978,441.35

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Solution

The fourth proportional to 1,093,586.90, 1,640,380.35 and 978,441.35 is: 1,467,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,586.90 : 1,640,380.35 = 978,441.35 : x
  2. Step 2: Convert to fraction form
    1,093,586.90/1,640,380.35 = 978,441.35/x
  3. Step 3: Cross multiply
    1,093,586.90x = 1,640,380.35 × 978,441.35
  4. Step 4: Simplify right side
    1,093,586.90x = 1,605,015,964,167.47
  5. Step 5: Solve for x
    x = 1,605,015,964,167.47/1,093,586.90
  6. Step 6: Final answer
    x = 1,467,662.03

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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.