Home / 721,846.80-1,082,867.40-248,677.20

Finding the Fourth Proportional to 721,846.80, 1,082,867.40 and 248,677.20

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Solution

The fourth proportional to 721,846.80, 1,082,867.40 and 248,677.20 is: 373,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,846.80 : 1,082,867.40 = 248,677.20 : x
  2. Step 2: Convert to fraction form
    721,846.80/1,082,867.40 = 248,677.20/x
  3. Step 3: Cross multiply
    721,846.80x = 1,082,867.40 × 248,677.20
  4. Step 4: Simplify right side
    721,846.80x = 269,284,433,003.28
  5. Step 5: Solve for x
    x = 269,284,433,003.28/721,846.80
  6. Step 6: Final answer
    x = 373,049.29

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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.