Home / 628,845.40-943,195.20-179,635.60

Finding the Fourth Proportional to 628,845.40, 943,195.20 and 179,635.60

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Solution

The fourth proportional to 628,845.40, 943,195.20 and 179,635.60 is: 269,432.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,845.40 : 943,195.20 = 179,635.60 : x
  2. Step 2: Convert to fraction form
    628,845.40/943,195.20 = 179,635.60/x
  3. Step 3: Cross multiply
    628,845.40x = 943,195.20 × 179,635.60
  4. Step 4: Simplify right side
    628,845.40x = 169,431,435,669.12
  5. Step 5: Solve for x
    x = 169,431,435,669.12/628,845.40
  6. Step 6: Final answer
    x = 269,432.58

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1.5x scale

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.