Home / 544,433.26-816,647.10-139,623.61

Finding the Fourth Proportional to 544,433.26, 816,647.10 and 139,623.61

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Solution

The fourth proportional to 544,433.26, 816,647.10 and 139,623.61 is: 209,434.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,433.26 : 816,647.10 = 139,623.61 : x
  2. Step 2: Convert to fraction form
    544,433.26/816,647.10 = 139,623.61/x
  3. Step 3: Cross multiply
    544,433.26x = 816,647.10 × 139,623.61
  4. Step 4: Simplify right side
    544,433.26x = 114,023,216,198.03
  5. Step 5: Solve for x
    x = 114,023,216,198.03/544,433.26
  6. Step 6: Final answer
    x = 209,434.70

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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.