Home / 628,266.09-942,243.44-178,990.85

Finding the Fourth Proportional to 628,266.09, 942,243.44 and 178,990.85

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Solution

The fourth proportional to 628,266.09, 942,243.44 and 178,990.85 is: 268,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,266.09 : 942,243.44 = 178,990.85 : x
  2. Step 2: Convert to fraction form
    628,266.09/942,243.44 = 178,990.85/x
  3. Step 3: Cross multiply
    628,266.09x = 942,243.44 × 178,990.85
  4. Step 4: Simplify right side
    628,266.09x = 168,652,957,133.05
  5. Step 5: Solve for x
    x = 168,652,957,133.05/628,266.09
  6. Step 6: Final answer
    x = 268,441.92

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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.