Home / 644,003.02-966,447.44-223,278.90

Finding the Fourth Proportional to 644,003.02, 966,447.44 and 223,278.90

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Solution

The fourth proportional to 644,003.02, 966,447.44 and 223,278.90 is: 335,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,003.02 : 966,447.44 = 223,278.90 : x
  2. Step 2: Convert to fraction form
    644,003.02/966,447.44 = 223,278.90/x
  3. Step 3: Cross multiply
    644,003.02x = 966,447.44 × 223,278.90
  4. Step 4: Simplify right side
    644,003.02x = 215,787,321,311.02
  5. Step 5: Solve for x
    x = 215,787,321,311.02/644,003.02
  6. Step 6: Final answer
    x = 335,071.91

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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.