Home / 407,640.56-562,525.20-226,364.04

Finding the Fourth Proportional to 407,640.56, 562,525.20 and 226,364.04

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Solution

The fourth proportional to 407,640.56, 562,525.20 and 226,364.04 is: 312,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,640.56 : 562,525.20 = 226,364.04 : x
  2. Step 2: Convert to fraction form
    407,640.56/562,525.20 = 226,364.04/x
  3. Step 3: Cross multiply
    407,640.56x = 562,525.20 × 226,364.04
  4. Step 4: Simplify right side
    407,640.56x = 127,335,476,873.81
  5. Step 5: Solve for x
    x = 127,335,476,873.81/407,640.56
  6. Step 6: Final answer
    x = 312,371.95

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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.