Home / 414,323.22-621,575.82-245,997.12

Finding the Fourth Proportional to 414,323.22, 621,575.82 and 245,997.12

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Solution

The fourth proportional to 414,323.22, 621,575.82 and 245,997.12 is: 369,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,323.22 : 621,575.82 = 245,997.12 : x
  2. Step 2: Convert to fraction form
    414,323.22/621,575.82 = 245,997.12/x
  3. Step 3: Cross multiply
    414,323.22x = 621,575.82 × 245,997.12
  4. Step 4: Simplify right side
    414,323.22x = 152,905,861,581.64
  5. Step 5: Solve for x
    x = 152,905,861,581.64/414,323.22
  6. Step 6: Final answer
    x = 369,049.70

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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.