Home / 414,928.10-620,958.55-248,835.30

Finding the Fourth Proportional to 414,928.10, 620,958.55 and 248,835.30

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Solution

The fourth proportional to 414,928.10, 620,958.55 and 248,835.30 is: 372,393.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,928.10 : 620,958.55 = 248,835.30 : x
  2. Step 2: Convert to fraction form
    414,928.10/620,958.55 = 248,835.30/x
  3. Step 3: Cross multiply
    414,928.10x = 620,958.55 × 248,835.30
  4. Step 4: Simplify right side
    414,928.10x = 154,516,407,076.82
  5. Step 5: Solve for x
    x = 154,516,407,076.82/414,928.10
  6. Step 6: Final answer
    x = 372,393.21

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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.