Home / 1,467,360.40-2,198,416.20-905,738.80

Finding the Fourth Proportional to 1,467,360.40, 2,198,416.20 and 905,738.80

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Solution

The fourth proportional to 1,467,360.40, 2,198,416.20 and 905,738.80 is: 1,356,988.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,360.40 : 2,198,416.20 = 905,738.80 : x
  2. Step 2: Convert to fraction form
    1,467,360.40/2,198,416.20 = 905,738.80/x
  3. Step 3: Cross multiply
    1,467,360.40x = 2,198,416.20 × 905,738.80
  4. Step 4: Simplify right side
    1,467,360.40x = 1,991,190,850,888.56
  5. Step 5: Solve for x
    x = 1,991,190,850,888.56/1,467,360.40
  6. Step 6: Final answer
    x = 1,356,988.27

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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.