Home / 447,716.20-671,574.30-439,940.20

Finding the Fourth Proportional to 447,716.20, 671,574.30 and 439,940.20

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Solution

The fourth proportional to 447,716.20, 671,574.30 and 439,940.20 is: 659,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,716.20 : 671,574.30 = 439,940.20 : x
  2. Step 2: Convert to fraction form
    447,716.20/671,574.30 = 439,940.20/x
  3. Step 3: Cross multiply
    447,716.20x = 671,574.30 × 439,940.20
  4. Step 4: Simplify right side
    447,716.20x = 295,452,531,856.86
  5. Step 5: Solve for x
    x = 295,452,531,856.86/447,716.20
  6. Step 6: Final answer
    x = 659,910.30

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Similar ratio
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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.