Home / 823,340.10-1,235,072.62-254,778.68

Finding the Fourth Proportional to 823,340.10, 1,235,072.62 and 254,778.68

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Solution

The fourth proportional to 823,340.10, 1,235,072.62 and 254,778.68 is: 382,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,340.10 : 1,235,072.62 = 254,778.68 : x
  2. Step 2: Convert to fraction form
    823,340.10/1,235,072.62 = 254,778.68/x
  3. Step 3: Cross multiply
    823,340.10x = 1,235,072.62 × 254,778.68
  4. Step 4: Simplify right side
    823,340.10x = 314,670,171,190.80
  5. Step 5: Solve for x
    x = 314,670,171,190.80/823,340.10
  6. Step 6: Final answer
    x = 382,187.35

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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.