Home / 613,617.28-846,895.09-395,764.72

Finding the Fourth Proportional to 613,617.28, 846,895.09 and 395,764.72

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Solution

The fourth proportional to 613,617.28, 846,895.09 and 395,764.72 is: 546,221.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,617.28 : 846,895.09 = 395,764.72 : x
  2. Step 2: Convert to fraction form
    613,617.28/846,895.09 = 395,764.72/x
  3. Step 3: Cross multiply
    613,617.28x = 846,895.09 × 395,764.72
  4. Step 4: Simplify right side
    613,617.28x = 335,171,198,163.23
  5. Step 5: Solve for x
    x = 335,171,198,163.23/613,617.28
  6. Step 6: Final answer
    x = 546,221.90

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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.