Home / 628,060.80-941,918.40-254,121.60

Finding the Fourth Proportional to 628,060.80, 941,918.40 and 254,121.60

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Solution

The fourth proportional to 628,060.80, 941,918.40 and 254,121.60 is: 381,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,060.80 : 941,918.40 = 254,121.60 : x
  2. Step 2: Convert to fraction form
    628,060.80/941,918.40 = 254,121.60/x
  3. Step 3: Cross multiply
    628,060.80x = 941,918.40 × 254,121.60
  4. Step 4: Simplify right side
    628,060.80x = 239,361,810,877.44
  5. Step 5: Solve for x
    x = 239,361,810,877.44/628,060.80
  6. Step 6: Final answer
    x = 381,112.48

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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.