Home / 1,861,753.37-2,792,574.24-513,998.21

Finding the Fourth Proportional to 1,861,753.37, 2,792,574.24 and 513,998.21

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Solution

The fourth proportional to 1,861,753.37, 2,792,574.24 and 513,998.21 is: 770,981.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,861,753.37 : 2,792,574.24 = 513,998.21 : x
  2. Step 2: Convert to fraction form
    1,861,753.37/2,792,574.24 = 513,998.21/x
  3. Step 3: Cross multiply
    1,861,753.37x = 2,792,574.24 × 513,998.21
  4. Step 4: Simplify right side
    1,861,753.37x = 1,435,378,146,689.24
  5. Step 5: Solve for x
    x = 1,435,378,146,689.24/1,861,753.37
  6. Step 6: Final answer
    x = 770,981.90

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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.