Home / 407,849.10-562,921.78-226,623.32

Finding the Fourth Proportional to 407,849.10, 562,921.78 and 226,623.32

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Solution

The fourth proportional to 407,849.10, 562,921.78 and 226,623.32 is: 312,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,849.10 : 562,921.78 = 226,623.32 : x
  2. Step 2: Convert to fraction form
    407,849.10/562,921.78 = 226,623.32/x
  3. Step 3: Cross multiply
    407,849.10x = 562,921.78 × 226,623.32
  4. Step 4: Simplify right side
    407,849.10x = 127,571,202,683.91
  5. Step 5: Solve for x
    x = 127,571,202,683.91/407,849.10
  6. Step 6: Final answer
    x = 312,790.20

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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.