Home / 407,579.42-562,477.19-226,291.37

Finding the Fourth Proportional to 407,579.42, 562,477.19 and 226,291.37

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Solution

The fourth proportional to 407,579.42, 562,477.19 and 226,291.37 is: 312,291.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,579.42 : 562,477.19 = 226,291.37 : x
  2. Step 2: Convert to fraction form
    407,579.42/562,477.19 = 226,291.37/x
  3. Step 3: Cross multiply
    407,579.42x = 562,477.19 × 226,291.37
  4. Step 4: Simplify right side
    407,579.42x = 127,283,729,975.01
  5. Step 5: Solve for x
    x = 127,283,729,975.01/407,579.42
  6. Step 6: Final answer
    x = 312,291.85

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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.