Home / 433,557.12-650,403.18-256,191.96

Finding the Fourth Proportional to 433,557.12, 650,403.18 and 256,191.96

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Solution

The fourth proportional to 433,557.12, 650,403.18 and 256,191.96 is: 384,327.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,557.12 : 650,403.18 = 256,191.96 : x
  2. Step 2: Convert to fraction form
    433,557.12/650,403.18 = 256,191.96/x
  3. Step 3: Cross multiply
    433,557.12x = 650,403.18 × 256,191.96
  4. Step 4: Simplify right side
    433,557.12x = 166,628,065,474.43
  5. Step 5: Solve for x
    x = 166,628,065,474.43/433,557.12
  6. Step 6: Final answer
    x = 384,327.83

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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.