Home / 621,260.46-931,989.09-200,437.92

Finding the Fourth Proportional to 621,260.46, 931,989.09 and 200,437.92

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Solution

The fourth proportional to 621,260.46, 931,989.09 and 200,437.92 is: 300,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,260.46 : 931,989.09 = 200,437.92 : x
  2. Step 2: Convert to fraction form
    621,260.46/931,989.09 = 200,437.92/x
  3. Step 3: Cross multiply
    621,260.46x = 931,989.09 × 200,437.92
  4. Step 4: Simplify right side
    621,260.46x = 186,805,954,662.29
  5. Step 5: Solve for x
    x = 186,805,954,662.29/621,260.46
  6. Step 6: Final answer
    x = 300,688.63

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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.