Home / 578,431.80-867,777.30-223,414.20

Finding the Fourth Proportional to 578,431.80, 867,777.30 and 223,414.20

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Solution

The fourth proportional to 578,431.80, 867,777.30 and 223,414.20 is: 335,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,431.80 : 867,777.30 = 223,414.20 : x
  2. Step 2: Convert to fraction form
    578,431.80/867,777.30 = 223,414.20/x
  3. Step 3: Cross multiply
    578,431.80x = 867,777.30 × 223,414.20
  4. Step 4: Simplify right side
    578,431.80x = 193,873,771,257.66
  5. Step 5: Solve for x
    x = 193,873,771,257.66/578,431.80
  6. Step 6: Final answer
    x = 335,171.36

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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.