Home / 414,799.46-622,570.06-212,533.56

Finding the Fourth Proportional to 414,799.46, 622,570.06 and 212,533.56

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Solution

The fourth proportional to 414,799.46, 622,570.06 and 212,533.56 is: 318,990.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,799.46 : 622,570.06 = 212,533.56 : x
  2. Step 2: Convert to fraction form
    414,799.46/622,570.06 = 212,533.56/x
  3. Step 3: Cross multiply
    414,799.46x = 622,570.06 × 212,533.56
  4. Step 4: Simplify right side
    414,799.46x = 132,317,031,201.21
  5. Step 5: Solve for x
    x = 132,317,031,201.21/414,799.46
  6. Step 6: Final answer
    x = 318,990.37

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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.