Home / 485,944.22-670,601.18-271,084.12

Finding the Fourth Proportional to 485,944.22, 670,601.18 and 271,084.12

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Solution

The fourth proportional to 485,944.22, 670,601.18 and 271,084.12 is: 374,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,944.22 : 670,601.18 = 271,084.12 : x
  2. Step 2: Convert to fraction form
    485,944.22/670,601.18 = 271,084.12/x
  3. Step 3: Cross multiply
    485,944.22x = 670,601.18 × 271,084.12
  4. Step 4: Simplify right side
    485,944.22x = 181,789,328,227.62
  5. Step 5: Solve for x
    x = 181,789,328,227.62/485,944.22
  6. Step 6: Final answer
    x = 374,095.05

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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.