Home / 926,040.75-1,389,760.97-393,936.36

Finding the Fourth Proportional to 926,040.75, 1,389,760.97 and 393,936.36

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Solution

The fourth proportional to 926,040.75, 1,389,760.97 and 393,936.36 is: 591,202.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,040.75 : 1,389,760.97 = 393,936.36 : x
  2. Step 2: Convert to fraction form
    926,040.75/1,389,760.97 = 393,936.36/x
  3. Step 3: Cross multiply
    926,040.75x = 1,389,760.97 × 393,936.36
  4. Step 4: Simplify right side
    926,040.75x = 547,477,377,791.87
  5. Step 5: Solve for x
    x = 547,477,377,791.87/926,040.75
  6. Step 6: Final answer
    x = 591,202.25

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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.