Home / 1,519,961.28-2,097,469.92-831,618.24

Finding the Fourth Proportional to 1,519,961.28, 2,097,469.92 and 831,618.24

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Solution

The fourth proportional to 1,519,961.28, 2,097,469.92 and 831,618.24 is: 1,147,591.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,961.28 : 2,097,469.92 = 831,618.24 : x
  2. Step 2: Convert to fraction form
    1,519,961.28/2,097,469.92 = 831,618.24/x
  3. Step 3: Cross multiply
    1,519,961.28x = 2,097,469.92 × 831,618.24
  4. Step 4: Simplify right side
    1,519,961.28x = 1,744,294,243,323.34
  5. Step 5: Solve for x
    x = 1,744,294,243,323.34/1,519,961.28
  6. Step 6: Final answer
    x = 1,147,591.24

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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.