Home / 400,899.27-553,241.13-219,617.73

Finding the Fourth Proportional to 400,899.27, 553,241.13 and 219,617.73

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Solution

The fourth proportional to 400,899.27, 553,241.13 and 219,617.73 is: 303,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,899.27 : 553,241.13 = 219,617.73 : x
  2. Step 2: Convert to fraction form
    400,899.27/553,241.13 = 219,617.73/x
  3. Step 3: Cross multiply
    400,899.27x = 553,241.13 × 219,617.73
  4. Step 4: Simplify right side
    400,899.27x = 121,501,561,113.24
  5. Step 5: Solve for x
    x = 121,501,561,113.24/400,899.27
  6. Step 6: Final answer
    x = 303,072.54

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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.