Home / 628,481.03-867,323.39-356,560.39

Finding the Fourth Proportional to 628,481.03, 867,323.39 and 356,560.39

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Solution

The fourth proportional to 628,481.03, 867,323.39 and 356,560.39 is: 492,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,481.03 : 867,323.39 = 356,560.39 : x
  2. Step 2: Convert to fraction form
    628,481.03/867,323.39 = 356,560.39/x
  3. Step 3: Cross multiply
    628,481.03x = 867,323.39 × 356,560.39
  4. Step 4: Simplify right side
    628,481.03x = 309,253,162,243.41
  5. Step 5: Solve for x
    x = 309,253,162,243.41/628,481.03
  6. Step 6: Final answer
    x = 492,064.43

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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.