Home / 443,118.36-611,487.90-273,348.12

Finding the Fourth Proportional to 443,118.36, 611,487.90 and 273,348.12

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Solution

The fourth proportional to 443,118.36, 611,487.90 and 273,348.12 is: 377,210.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,118.36 : 611,487.90 = 273,348.12 : x
  2. Step 2: Convert to fraction form
    443,118.36/611,487.90 = 273,348.12/x
  3. Step 3: Cross multiply
    443,118.36x = 611,487.90 × 273,348.12
  4. Step 4: Simplify right side
    443,118.36x = 167,149,067,867.75
  5. Step 5: Solve for x
    x = 167,149,067,867.75/443,118.36
  6. Step 6: Final answer
    x = 377,210.88

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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.