Home / 1,519,706.89-2,279,563.17-621,147.97

Finding the Fourth Proportional to 1,519,706.89, 2,279,563.17 and 621,147.97

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Solution

The fourth proportional to 1,519,706.89, 2,279,563.17 and 621,147.97 is: 931,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,706.89 : 2,279,563.17 = 621,147.97 : x
  2. Step 2: Convert to fraction form
    1,519,706.89/2,279,563.17 = 621,147.97/x
  3. Step 3: Cross multiply
    1,519,706.89x = 2,279,563.17 × 621,147.97
  4. Step 4: Simplify right side
    1,519,706.89x = 1,415,946,035,532.27
  5. Step 5: Solve for x
    x = 1,415,946,035,532.27/1,519,706.89
  6. Step 6: Final answer
    x = 931,723.11

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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.