Home / 399,943.98-551,956.88-227,914.56

Finding the Fourth Proportional to 399,943.98, 551,956.88 and 227,914.56

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Solution

The fourth proportional to 399,943.98, 551,956.88 and 227,914.56 is: 314,541.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,943.98 : 551,956.88 = 227,914.56 : x
  2. Step 2: Convert to fraction form
    399,943.98/551,956.88 = 227,914.56/x
  3. Step 3: Cross multiply
    399,943.98x = 551,956.88 × 227,914.56
  4. Step 4: Simplify right side
    399,943.98x = 125,799,010,013.96
  5. Step 5: Solve for x
    x = 125,799,010,013.96/399,943.98
  6. Step 6: Final answer
    x = 314,541.58

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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.