Home / 443,400.87-611,942.00-252,383.43

Finding the Fourth Proportional to 443,400.87, 611,942.00 and 252,383.43

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Solution

The fourth proportional to 443,400.87, 611,942.00 and 252,383.43 is: 348,316.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,400.87 : 611,942.00 = 252,383.43 : x
  2. Step 2: Convert to fraction form
    443,400.87/611,942.00 = 252,383.43/x
  3. Step 3: Cross multiply
    443,400.87x = 611,942.00 × 252,383.43
  4. Step 4: Simplify right side
    443,400.87x = 154,444,019,659.14
  5. Step 5: Solve for x
    x = 154,444,019,659.14/443,400.87
  6. Step 6: Final answer
    x = 348,316.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.