Home / 407,831.52-562,788.48-226,555.20

Finding the Fourth Proportional to 407,831.52, 562,788.48 and 226,555.20

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Solution

The fourth proportional to 407,831.52, 562,788.48 and 226,555.20 is: 312,635.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,831.52 : 562,788.48 = 226,555.20 : x
  2. Step 2: Convert to fraction form
    407,831.52/562,788.48 = 226,555.20/x
  3. Step 3: Cross multiply
    407,831.52x = 562,788.48 × 226,555.20
  4. Step 4: Simplify right side
    407,831.52x = 127,502,656,644.10
  5. Step 5: Solve for x
    x = 127,502,656,644.10/407,831.52
  6. Step 6: Final answer
    x = 312,635.61

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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.