Home / 858,814.80-1,288,222.20-605,560.20

Finding the Fourth Proportional to 858,814.80, 1,288,222.20 and 605,560.20

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Solution

The fourth proportional to 858,814.80, 1,288,222.20 and 605,560.20 is: 908,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,814.80 : 1,288,222.20 = 605,560.20 : x
  2. Step 2: Convert to fraction form
    858,814.80/1,288,222.20 = 605,560.20/x
  3. Step 3: Cross multiply
    858,814.80x = 1,288,222.20 × 605,560.20
  4. Step 4: Simplify right side
    858,814.80x = 780,096,093,076.44
  5. Step 5: Solve for x
    x = 780,096,093,076.44/858,814.80
  6. Step 6: Final answer
    x = 908,340.30

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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.