Home / 1,861,754.85-2,792,576.49-513,999.72

Finding the Fourth Proportional to 1,861,754.85, 2,792,576.49 and 513,999.72

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Solution

The fourth proportional to 1,861,754.85, 2,792,576.49 and 513,999.72 is: 770,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,754.85 : 2,792,576.49 = 513,999.72 : x
  2. Step 2: Convert to fraction form
    1,861,754.85/2,792,576.49 = 513,999.72/x
  3. Step 3: Cross multiply
    1,861,754.85x = 2,792,576.49 × 513,999.72
  4. Step 4: Simplify right side
    1,861,754.85x = 1,435,383,533,938.58
  5. Step 5: Solve for x
    x = 1,435,383,533,938.58/1,861,754.85
  6. Step 6: Final answer
    x = 770,984.18

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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.