Home / 443,120.36-611,490.66-273,350.12

Finding the Fourth Proportional to 443,120.36, 611,490.66 and 273,350.12

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Solution

The fourth proportional to 443,120.36, 611,490.66 and 273,350.12 is: 377,213.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,120.36 : 611,490.66 = 273,350.12 : x
  2. Step 2: Convert to fraction form
    443,120.36/611,490.66 = 273,350.12/x
  3. Step 3: Cross multiply
    443,120.36x = 611,490.66 × 273,350.12
  4. Step 4: Simplify right side
    443,120.36x = 167,151,045,289.88
  5. Step 5: Solve for x
    x = 167,151,045,289.88/443,120.36
  6. Step 6: Final answer
    x = 377,213.64

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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.