Home / 415,912.82-573,695.54-272,682.14

Finding the Fourth Proportional to 415,912.82, 573,695.54 and 272,682.14

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Solution

The fourth proportional to 415,912.82, 573,695.54 and 272,682.14 is: 376,128.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,912.82 : 573,695.54 = 272,682.14 : x
  2. Step 2: Convert to fraction form
    415,912.82/573,695.54 = 272,682.14/x
  3. Step 3: Cross multiply
    415,912.82x = 573,695.54 × 272,682.14
  4. Step 4: Simplify right side
    415,912.82x = 156,436,527,555.66
  5. Step 5: Solve for x
    x = 156,436,527,555.66/415,912.82
  6. Step 6: Final answer
    x = 376,128.17

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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.