Home / 1,861,754.37-2,792,575.74-513,999.21

Finding the Fourth Proportional to 1,861,754.37, 2,792,575.74 and 513,999.21

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Solution

The fourth proportional to 1,861,754.37, 2,792,575.74 and 513,999.21 is: 770,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,754.37 : 2,792,575.74 = 513,999.21 : x
  2. Step 2: Convert to fraction form
    1,861,754.37/2,792,575.74 = 513,999.21/x
  3. Step 3: Cross multiply
    1,861,754.37x = 2,792,575.74 × 513,999.21
  4. Step 4: Simplify right side
    1,861,754.37x = 1,435,381,724,225.17
  5. Step 5: Solve for x
    x = 1,435,381,724,225.17/1,861,754.37
  6. Step 6: Final answer
    x = 770,983.41

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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.