Home / 805,621.44-1,207,644-332,705.28

Finding the Fourth Proportional to 805,621.44, 1,207,644 and 332,705.28

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Solution

The fourth proportional to 805,621.44, 1,207,644 and 332,705.28 is: 498,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,621.44 : 1,207,644 = 332,705.28 : x
  2. Step 2: Convert to fraction form
    805,621.44/1,207,644 = 332,705.28/x
  3. Step 3: Cross multiply
    805,621.44x = 1,207,644 × 332,705.28
  4. Step 4: Simplify right side
    805,621.44x = 401,789,535,160.32
  5. Step 5: Solve for x
    x = 401,789,535,160.32/805,621.44
  6. Step 6: Final answer
    x = 498,732.43

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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.