Home / 1,083,297.17-1,624,420.85-543,321.42

Finding the Fourth Proportional to 1,083,297.17, 1,624,420.85 and 543,321.42

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Solution

The fourth proportional to 1,083,297.17, 1,624,420.85 and 543,321.42 is: 814,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,297.17 : 1,624,420.85 = 543,321.42 : x
  2. Step 2: Convert to fraction form
    1,083,297.17/1,624,420.85 = 543,321.42/x
  3. Step 3: Cross multiply
    1,083,297.17x = 1,624,420.85 × 543,321.42
  4. Step 4: Simplify right side
    1,083,297.17x = 882,582,640,183
  5. Step 5: Solve for x
    x = 882,582,640,183/1,083,297.17
  6. Step 6: Final answer
    x = 814,718.87

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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.