Home / 1,519,914.56-2,097,543.84-840,839.36

Finding the Fourth Proportional to 1,519,914.56, 2,097,543.84 and 840,839.36

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Solution

The fourth proportional to 1,519,914.56, 2,097,543.84 and 840,839.36 is: 1,160,392.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,914.56 : 2,097,543.84 = 840,839.36 : x
  2. Step 2: Convert to fraction form
    1,519,914.56/2,097,543.84 = 840,839.36/x
  3. Step 3: Cross multiply
    1,519,914.56x = 2,097,543.84 × 840,839.36
  4. Step 4: Simplify right side
    1,519,914.56x = 1,763,697,419,997.54
  5. Step 5: Solve for x
    x = 1,763,697,419,997.54/1,519,914.56
  6. Step 6: Final answer
    x = 1,160,392.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.