Home / 715,647.22-1,073,304.68-210,072.42

Finding the Fourth Proportional to 715,647.22, 1,073,304.68 and 210,072.42

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Solution

The fourth proportional to 715,647.22, 1,073,304.68 and 210,072.42 is: 315,059.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,647.22 : 1,073,304.68 = 210,072.42 : x
  2. Step 2: Convert to fraction form
    715,647.22/1,073,304.68 = 210,072.42/x
  3. Step 3: Cross multiply
    715,647.22x = 1,073,304.68 × 210,072.42
  4. Step 4: Simplify right side
    715,647.22x = 225,471,710,474.56
  5. Step 5: Solve for x
    x = 225,471,710,474.56/715,647.22
  6. Step 6: Final answer
    x = 315,059.86

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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.