Home / 789,840.36-1,183,808.67-362,786.88

Finding the Fourth Proportional to 789,840.36, 1,183,808.67 and 362,786.88

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Solution

The fourth proportional to 789,840.36, 1,183,808.67 and 362,786.88 is: 543,743.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,840.36 : 1,183,808.67 = 362,786.88 : x
  2. Step 2: Convert to fraction form
    789,840.36/1,183,808.67 = 362,786.88/x
  3. Step 3: Cross multiply
    789,840.36x = 1,183,808.67 × 362,786.88
  4. Step 4: Simplify right side
    789,840.36x = 429,470,253,906.25
  5. Step 5: Solve for x
    x = 429,470,253,906.25/789,840.36
  6. Step 6: Final answer
    x = 543,743.11

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1.5x scale

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.