Home / 1,168,638.81-1,753,513.36-809,362.55

Finding the Fourth Proportional to 1,168,638.81, 1,753,513.36 and 809,362.55

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Solution

The fourth proportional to 1,168,638.81, 1,753,513.36 and 809,362.55 is: 1,214,428.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,638.81 : 1,753,513.36 = 809,362.55 : x
  2. Step 2: Convert to fraction form
    1,168,638.81/1,753,513.36 = 809,362.55/x
  3. Step 3: Cross multiply
    1,168,638.81x = 1,753,513.36 × 809,362.55
  4. Step 4: Simplify right side
    1,168,638.81x = 1,419,228,044,508.67
  5. Step 5: Solve for x
    x = 1,419,228,044,508.67/1,168,638.81
  6. Step 6: Final answer
    x = 1,214,428.30

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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.