Home / 1,467,145.20-2,202,013.80-867,356.40

Finding the Fourth Proportional to 1,467,145.20, 2,202,013.80 and 867,356.40

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Solution

The fourth proportional to 1,467,145.20, 2,202,013.80 and 867,356.40 is: 1,301,800.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,467,145.20 : 2,202,013.80 = 867,356.40 : x
  2. Step 2: Convert to fraction form
    1,467,145.20/2,202,013.80 = 867,356.40/x
  3. Step 3: Cross multiply
    1,467,145.20x = 2,202,013.80 × 867,356.40
  4. Step 4: Simplify right side
    1,467,145.20x = 1,909,930,762,318.32
  5. Step 5: Solve for x
    x = 1,909,930,762,318.32/1,467,145.20
  6. Step 6: Final answer
    x = 1,301,800.78

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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.