Home / 926,233.49-1,389,155.83-261,229.97

Finding the Fourth Proportional to 926,233.49, 1,389,155.83 and 261,229.97

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Solution

The fourth proportional to 926,233.49, 1,389,155.83 and 261,229.97 is: 391,790.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,233.49 : 1,389,155.83 = 261,229.97 : x
  2. Step 2: Convert to fraction form
    926,233.49/1,389,155.83 = 261,229.97/x
  3. Step 3: Cross multiply
    926,233.49x = 1,389,155.83 × 261,229.97
  4. Step 4: Simplify right side
    926,233.49x = 362,889,135,796.23
  5. Step 5: Solve for x
    x = 362,889,135,796.23/926,233.49
  6. Step 6: Final answer
    x = 391,790.13

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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.