Home / 1,519,743.33-2,097,228.78-831,435.03

Finding the Fourth Proportional to 1,519,743.33, 2,097,228.78 and 831,435.03

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Solution

The fourth proportional to 1,519,743.33, 2,097,228.78 and 831,435.03 is: 1,147,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,743.33 : 2,097,228.78 = 831,435.03 : x
  2. Step 2: Convert to fraction form
    1,519,743.33/2,097,228.78 = 831,435.03/x
  3. Step 3: Cross multiply
    1,519,743.33x = 2,097,228.78 × 831,435.03
  4. Step 4: Simplify right side
    1,519,743.33x = 1,743,709,473,616.16
  5. Step 5: Solve for x
    x = 1,743,709,473,616.16/1,519,743.33
  6. Step 6: Final answer
    x = 1,147,371.03

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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.