Home / 475,056.20-655,588.19-271,103.06

Finding the Fourth Proportional to 475,056.20, 655,588.19 and 271,103.06

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Solution

The fourth proportional to 475,056.20, 655,588.19 and 271,103.06 is: 374,128.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,056.20 : 655,588.19 = 271,103.06 : x
  2. Step 2: Convert to fraction form
    475,056.20/655,588.19 = 271,103.06/x
  3. Step 3: Cross multiply
    475,056.20x = 655,588.19 × 271,103.06
  4. Step 4: Simplify right side
    475,056.20x = 177,731,964,408.86
  5. Step 5: Solve for x
    x = 177,731,964,408.86/475,056.20
  6. Step 6: Final answer
    x = 374,128.29

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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.