Home / 418,087.44-576,971.40-227,111.76

Finding the Fourth Proportional to 418,087.44, 576,971.40 and 227,111.76

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Solution

The fourth proportional to 418,087.44, 576,971.40 and 227,111.76 is: 313,420.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,087.44 : 576,971.40 = 227,111.76 : x
  2. Step 2: Convert to fraction form
    418,087.44/576,971.40 = 227,111.76/x
  3. Step 3: Cross multiply
    418,087.44x = 576,971.40 × 227,111.76
  4. Step 4: Simplify right side
    418,087.44x = 131,036,990,123.66
  5. Step 5: Solve for x
    x = 131,036,990,123.66/418,087.44
  6. Step 6: Final answer
    x = 313,420.06

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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.