Home / 475,232.96-655,660-271,137.28

Finding the Fourth Proportional to 475,232.96, 655,660 and 271,137.28

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Solution

The fourth proportional to 475,232.96, 655,660 and 271,137.28 is: 374,077.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,232.96 : 655,660 = 271,137.28 : x
  2. Step 2: Convert to fraction form
    475,232.96/655,660 = 271,137.28/x
  3. Step 3: Cross multiply
    475,232.96x = 655,660 × 271,137.28
  4. Step 4: Simplify right side
    475,232.96x = 177,773,869,004.80
  5. Step 5: Solve for x
    x = 177,773,869,004.80/475,232.96
  6. Step 6: Final answer
    x = 374,077.31

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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.