Home / 440,928.08-661,377.44-191,610.08

Finding the Fourth Proportional to 440,928.08, 661,377.44 and 191,610.08

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Solution

The fourth proportional to 440,928.08, 661,377.44 and 191,610.08 is: 287,408.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,928.08 : 661,377.44 = 191,610.08 : x
  2. Step 2: Convert to fraction form
    440,928.08/661,377.44 = 191,610.08/x
  3. Step 3: Cross multiply
    440,928.08x = 661,377.44 × 191,610.08
  4. Step 4: Simplify right side
    440,928.08x = 126,726,584,188.60
  5. Step 5: Solve for x
    x = 126,726,584,188.60/440,928.08
  6. Step 6: Final answer
    x = 287,408.74

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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.