Home / 1,348,404.40-2,022,606.60-1,245,761.20

Finding the Fourth Proportional to 1,348,404.40, 2,022,606.60 and 1,245,761.20

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Solution

The fourth proportional to 1,348,404.40, 2,022,606.60 and 1,245,761.20 is: 1,868,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,404.40 : 2,022,606.60 = 1,245,761.20 : x
  2. Step 2: Convert to fraction form
    1,348,404.40/2,022,606.60 = 1,245,761.20/x
  3. Step 3: Cross multiply
    1,348,404.40x = 2,022,606.60 × 1,245,761.20
  4. Step 4: Simplify right side
    1,348,404.40x = 2,519,684,825,143.92
  5. Step 5: Solve for x
    x = 2,519,684,825,143.92/1,348,404.40
  6. Step 6: Final answer
    x = 1,868,641.80

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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.