Home / 327,186.07-453,338.60-320,100.19

Finding the Fourth Proportional to 327,186.07, 453,338.60 and 320,100.19

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Solution

The fourth proportional to 327,186.07, 453,338.60 and 320,100.19 is: 443,520.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,186.07 : 453,338.60 = 320,100.19 : x
  2. Step 2: Convert to fraction form
    327,186.07/453,338.60 = 320,100.19/x
  3. Step 3: Cross multiply
    327,186.07x = 453,338.60 × 320,100.19
  4. Step 4: Simplify right side
    327,186.07x = 145,113,771,994.33
  5. Step 5: Solve for x
    x = 145,113,771,994.33/327,186.07
  6. Step 6: Final answer
    x = 443,520.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.