Home / 407,890.17-562,898.27-226,609.74

Finding the Fourth Proportional to 407,890.17, 562,898.27 and 226,609.74

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Solution

The fourth proportional to 407,890.17, 562,898.27 and 226,609.74 is: 312,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,890.17 : 562,898.27 = 226,609.74 : x
  2. Step 2: Convert to fraction form
    407,890.17/562,898.27 = 226,609.74/x
  3. Step 3: Cross multiply
    407,890.17x = 562,898.27 × 226,609.74
  4. Step 4: Simplify right side
    407,890.17x = 127,558,230,611.15
  5. Step 5: Solve for x
    x = 127,558,230,611.15/407,890.17
  6. Step 6: Final answer
    x = 312,726.91

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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.