Home / 863,861.79-1,192,121.10-476,680.71

Finding the Fourth Proportional to 863,861.79, 1,192,121.10 and 476,680.71

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Solution

The fourth proportional to 863,861.79, 1,192,121.10 and 476,680.71 is: 657,814.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,861.79 : 1,192,121.10 = 476,680.71 : x
  2. Step 2: Convert to fraction form
    863,861.79/1,192,121.10 = 476,680.71/x
  3. Step 3: Cross multiply
    863,861.79x = 1,192,121.10 × 476,680.71
  4. Step 4: Simplify right side
    863,861.79x = 568,261,132,353.98
  5. Step 5: Solve for x
    x = 568,261,132,353.98/863,861.79
  6. Step 6: Final answer
    x = 657,814.87

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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.