Home / 407,828.25-562,818.78-226,553.94

Finding the Fourth Proportional to 407,828.25, 562,818.78 and 226,553.94

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Solution

The fourth proportional to 407,828.25, 562,818.78 and 226,553.94 is: 312,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,828.25 : 562,818.78 = 226,553.94 : x
  2. Step 2: Convert to fraction form
    407,828.25/562,818.78 = 226,553.94/x
  3. Step 3: Cross multiply
    407,828.25x = 562,818.78 × 226,553.94
  4. Step 4: Simplify right side
    407,828.25x = 127,508,812,114.99
  5. Step 5: Solve for x
    x = 127,508,812,114.99/407,828.25
  6. Step 6: Final answer
    x = 312,653.21

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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.