Home / 1,373,144.40-2,060,105.40-426,610.80

Finding the Fourth Proportional to 1,373,144.40, 2,060,105.40 and 426,610.80

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Solution

The fourth proportional to 1,373,144.40, 2,060,105.40 and 426,610.80 is: 640,036.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,144.40 : 2,060,105.40 = 426,610.80 : x
  2. Step 2: Convert to fraction form
    1,373,144.40/2,060,105.40 = 426,610.80/x
  3. Step 3: Cross multiply
    1,373,144.40x = 2,060,105.40 × 426,610.80
  4. Step 4: Simplify right side
    1,373,144.40x = 878,863,212,778.32
  5. Step 5: Solve for x
    x = 878,863,212,778.32/1,373,144.40
  6. Step 6: Final answer
    x = 640,036.99

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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.