Home / 443,311.73-611,785.28-262,178.92

Finding the Fourth Proportional to 443,311.73, 611,785.28 and 262,178.92

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Solution

The fourth proportional to 443,311.73, 611,785.28 and 262,178.92 is: 361,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,311.73 : 611,785.28 = 262,178.92 : x
  2. Step 2: Convert to fraction form
    443,311.73/611,785.28 = 262,178.92/x
  3. Step 3: Cross multiply
    443,311.73x = 611,785.28 × 262,178.92
  4. Step 4: Simplify right side
    443,311.73x = 160,397,201,141.94
  5. Step 5: Solve for x
    x = 160,397,201,141.94/443,311.73
  6. Step 6: Final answer
    x = 361,815.83

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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.