Home / 627,213.66-865,562.22-340,738.26

Finding the Fourth Proportional to 627,213.66, 865,562.22 and 340,738.26

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Solution

The fourth proportional to 627,213.66, 865,562.22 and 340,738.26 is: 470,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,213.66 : 865,562.22 = 340,738.26 : x
  2. Step 2: Convert to fraction form
    627,213.66/865,562.22 = 340,738.26/x
  3. Step 3: Cross multiply
    627,213.66x = 865,562.22 × 340,738.26
  4. Step 4: Simplify right side
    627,213.66x = 294,930,164,764.54
  5. Step 5: Solve for x
    x = 294,930,164,764.54/627,213.66
  6. Step 6: Final answer
    x = 470,222.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.