Home / 400,383.32-552,542.34-219,091.34

Finding the Fourth Proportional to 400,383.32, 552,542.34 and 219,091.34

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Solution

The fourth proportional to 400,383.32, 552,542.34 and 219,091.34 is: 302,353.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,383.32 : 552,542.34 = 219,091.34 : x
  2. Step 2: Convert to fraction form
    400,383.32/552,542.34 = 219,091.34/x
  3. Step 3: Cross multiply
    400,383.32x = 552,542.34 × 219,091.34
  4. Step 4: Simplify right side
    400,383.32x = 121,057,241,677.34
  5. Step 5: Solve for x
    x = 121,057,241,677.34/400,383.32
  6. Step 6: Final answer
    x = 302,353.36

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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.