Home / 1,093,766.40-1,640,649.60-978,620.86

Finding the Fourth Proportional to 1,093,766.40, 1,640,649.60 and 978,620.86

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Solution

The fourth proportional to 1,093,766.40, 1,640,649.60 and 978,620.86 is: 1,467,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,766.40 : 1,640,649.60 = 978,620.86 : x
  2. Step 2: Convert to fraction form
    1,093,766.40/1,640,649.60 = 978,620.86/x
  3. Step 3: Cross multiply
    1,093,766.40x = 1,640,649.60 × 978,620.86
  4. Step 4: Simplify right side
    1,093,766.40x = 1,605,573,922,510.66
  5. Step 5: Solve for x
    x = 1,605,573,922,510.66/1,093,766.40
  6. Step 6: Final answer
    x = 1,467,931.29

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.