Home / 789,736.50-1,184,728.07-257,132.14

Finding the Fourth Proportional to 789,736.50, 1,184,728.07 and 257,132.14

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Solution

The fourth proportional to 789,736.50, 1,184,728.07 and 257,132.14 is: 385,738.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,736.50 : 1,184,728.07 = 257,132.14 : x
  2. Step 2: Convert to fraction form
    789,736.50/1,184,728.07 = 257,132.14/x
  3. Step 3: Cross multiply
    789,736.50x = 1,184,728.07 × 257,132.14
  4. Step 4: Simplify right side
    789,736.50x = 304,631,661,638.18
  5. Step 5: Solve for x
    x = 304,631,661,638.18/789,736.50
  6. Step 6: Final answer
    x = 385,738.36

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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.