Home / 544,432.26-816,645.60-139,622.61

Finding the Fourth Proportional to 544,432.26, 816,645.60 and 139,622.61

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Solution

The fourth proportional to 544,432.26, 816,645.60 and 139,622.61 is: 209,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,432.26 : 816,645.60 = 139,622.61 : x
  2. Step 2: Convert to fraction form
    544,432.26/816,645.60 = 139,622.61/x
  3. Step 3: Cross multiply
    544,432.26x = 816,645.60 × 139,622.61
  4. Step 4: Simplify right side
    544,432.26x = 114,022,190,117.02
  5. Step 5: Solve for x
    x = 114,022,190,117.02/544,432.26
  6. Step 6: Final answer
    x = 209,433.20

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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.