Home / 1,776,960.61-2,665,396.62-831,389.29

Finding the Fourth Proportional to 1,776,960.61, 2,665,396.62 and 831,389.29

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Solution

The fourth proportional to 1,776,960.61, 2,665,396.62 and 831,389.29 is: 1,247,063.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,960.61 : 2,665,396.62 = 831,389.29 : x
  2. Step 2: Convert to fraction form
    1,776,960.61/2,665,396.62 = 831,389.29/x
  3. Step 3: Cross multiply
    1,776,960.61x = 2,665,396.62 × 831,389.29
  4. Step 4: Simplify right side
    1,776,960.61x = 2,215,982,203,470.20
  5. Step 5: Solve for x
    x = 2,215,982,203,470.20/1,776,960.61
  6. Step 6: Final answer
    x = 1,247,063.21

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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.