Home / 1,100,180.04-1,649,949.92-426,111

Finding the Fourth Proportional to 1,100,180.04, 1,649,949.92 and 426,111

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Solution

The fourth proportional to 1,100,180.04, 1,649,949.92 and 426,111 is: 639,042.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,180.04 : 1,649,949.92 = 426,111 : x
  2. Step 2: Convert to fraction form
    1,100,180.04/1,649,949.92 = 426,111/x
  3. Step 3: Cross multiply
    1,100,180.04x = 1,649,949.92 × 426,111
  4. Step 4: Simplify right side
    1,100,180.04x = 703,061,810,361.12
  5. Step 5: Solve for x
    x = 703,061,810,361.12/1,100,180.04
  6. Step 6: Final answer
    x = 639,042.51

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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.