Home / 789,623.10-1,184,517.62-257,185.59

Finding the Fourth Proportional to 789,623.10, 1,184,517.62 and 257,185.59

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Solution

The fourth proportional to 789,623.10, 1,184,517.62 and 257,185.59 is: 385,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,623.10 : 1,184,517.62 = 257,185.59 : x
  2. Step 2: Convert to fraction form
    789,623.10/1,184,517.62 = 257,185.59/x
  3. Step 3: Cross multiply
    789,623.10x = 1,184,517.62 × 257,185.59
  4. Step 4: Simplify right side
    789,623.10x = 304,640,862,965.10
  5. Step 5: Solve for x
    x = 304,640,862,965.10/789,623.10
  6. Step 6: Final answer
    x = 385,805.41

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Double scale
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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.