Home / 431,311.12-595,219.26-240,336.16

Finding the Fourth Proportional to 431,311.12, 595,219.26 and 240,336.16

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Solution

The fourth proportional to 431,311.12, 595,219.26 and 240,336.16 is: 331,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,311.12 : 595,219.26 = 240,336.16 : x
  2. Step 2: Convert to fraction form
    431,311.12/595,219.26 = 240,336.16/x
  3. Step 3: Cross multiply
    431,311.12x = 595,219.26 × 240,336.16
  4. Step 4: Simplify right side
    431,311.12x = 143,052,711,306.44
  5. Step 5: Solve for x
    x = 143,052,711,306.44/431,311.12
  6. Step 6: Final answer
    x = 331,669.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.