Home / 399,946.98-551,961.03-227,917.56

Finding the Fourth Proportional to 399,946.98, 551,961.03 and 227,917.56

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Solution

The fourth proportional to 399,946.98, 551,961.03 and 227,917.56 is: 314,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,946.98 : 551,961.03 = 227,917.56 : x
  2. Step 2: Convert to fraction form
    399,946.98/551,961.03 = 227,917.56/x
  3. Step 3: Cross multiply
    399,946.98x = 551,961.03 × 227,917.56
  4. Step 4: Simplify right side
    399,946.98x = 125,801,611,172.69
  5. Step 5: Solve for x
    x = 125,801,611,172.69/399,946.98
  6. Step 6: Final answer
    x = 314,545.72

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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.