Home / 862,589.46-1,293,897.61-255,439.19

Finding the Fourth Proportional to 862,589.46, 1,293,897.61 and 255,439.19

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Solution

The fourth proportional to 862,589.46, 1,293,897.61 and 255,439.19 is: 383,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,589.46 : 1,293,897.61 = 255,439.19 : x
  2. Step 2: Convert to fraction form
    862,589.46/1,293,897.61 = 255,439.19/x
  3. Step 3: Cross multiply
    862,589.46x = 1,293,897.61 × 255,439.19
  4. Step 4: Simplify right side
    862,589.46x = 330,512,157,441.34
  5. Step 5: Solve for x
    x = 330,512,157,441.34/862,589.46
  6. Step 6: Final answer
    x = 383,162.76

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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.