Home / 314,974.08-471,994.38-259,210.44

Finding the Fourth Proportional to 314,974.08, 471,994.38 and 259,210.44

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Solution

The fourth proportional to 314,974.08, 471,994.38 and 259,210.44 is: 388,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,974.08 : 471,994.38 = 259,210.44 : x
  2. Step 2: Convert to fraction form
    314,974.08/471,994.38 = 259,210.44/x
  3. Step 3: Cross multiply
    314,974.08x = 471,994.38 × 259,210.44
  4. Step 4: Simplify right side
    314,974.08x = 122,345,870,917.33
  5. Step 5: Solve for x
    x = 122,345,870,917.33/314,974.08
  6. Step 6: Final answer
    x = 388,431.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.