Home / 407,664.90-562,583.07-226,388.52

Finding the Fourth Proportional to 407,664.90, 562,583.07 and 226,388.52

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Solution

The fourth proportional to 407,664.90, 562,583.07 and 226,388.52 is: 312,419.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,664.90 : 562,583.07 = 226,388.52 : x
  2. Step 2: Convert to fraction form
    407,664.90/562,583.07 = 226,388.52/x
  3. Step 3: Cross multiply
    407,664.90x = 562,583.07 × 226,388.52
  4. Step 4: Simplify right side
    407,664.90x = 127,362,348,594.36
  5. Step 5: Solve for x
    x = 127,362,348,594.36/407,664.90
  6. Step 6: Final answer
    x = 312,419.22

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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.