Home / 505,974.03-698,341.62-324,914.73

Finding the Fourth Proportional to 505,974.03, 698,341.62 and 324,914.73

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Solution

The fourth proportional to 505,974.03, 698,341.62 and 324,914.73 is: 448,444.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,974.03 : 698,341.62 = 324,914.73 : x
  2. Step 2: Convert to fraction form
    505,974.03/698,341.62 = 324,914.73/x
  3. Step 3: Cross multiply
    505,974.03x = 698,341.62 × 324,914.73
  4. Step 4: Simplify right side
    505,974.03x = 226,901,478,910.06
  5. Step 5: Solve for x
    x = 226,901,478,910.06/505,974.03
  6. Step 6: Final answer
    x = 448,444.91

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1.5x scale

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.