Home / 1,843,120.36-2,764,265.82-661,168.36

Finding the Fourth Proportional to 1,843,120.36, 2,764,265.82 and 661,168.36

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Solution

The fourth proportional to 1,843,120.36, 2,764,265.82 and 661,168.36 is: 991,603.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,843,120.36 : 2,764,265.82 = 661,168.36 : x
  2. Step 2: Convert to fraction form
    1,843,120.36/2,764,265.82 = 661,168.36/x
  3. Step 3: Cross multiply
    1,843,120.36x = 2,764,265.82 × 661,168.36
  4. Step 4: Simplify right side
    1,843,120.36x = 1,827,645,098,813.46
  5. Step 5: Solve for x
    x = 1,827,645,098,813.46/1,843,120.36
  6. Step 6: Final answer
    x = 991,603.77

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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.