Home / 1,296,115.40-1,944,173.10-897,206.60

Finding the Fourth Proportional to 1,296,115.40, 1,944,173.10 and 897,206.60

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Solution

The fourth proportional to 1,296,115.40, 1,944,173.10 and 897,206.60 is: 1,345,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,115.40 : 1,944,173.10 = 897,206.60 : x
  2. Step 2: Convert to fraction form
    1,296,115.40/1,944,173.10 = 897,206.60/x
  3. Step 3: Cross multiply
    1,296,115.40x = 1,944,173.10 × 897,206.60
  4. Step 4: Simplify right side
    1,296,115.40x = 1,744,324,936,862.46
  5. Step 5: Solve for x
    x = 1,744,324,936,862.46/1,296,115.40
  6. Step 6: Final answer
    x = 1,345,809.90

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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.