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Finding the Fourth Proportional to 1,325,977.43, 1,829,369.04 and 867,353.54

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Solution

The fourth proportional to 1,325,977.43, 1,829,369.04 and 867,353.54 is: 1,196,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,977.43 : 1,829,369.04 = 867,353.54 : x
  2. Step 2: Convert to fraction form
    1,325,977.43/1,829,369.04 = 867,353.54/x
  3. Step 3: Cross multiply
    1,325,977.43x = 1,829,369.04 × 867,353.54
  4. Step 4: Simplify right side
    1,325,977.43x = 1,586,709,712,810.40
  5. Step 5: Solve for x
    x = 1,586,709,712,810.40/1,325,977.43
  6. Step 6: Final answer
    x = 1,196,634.03

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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.