Home / 637,986.28-880,440.96-366,103.96

Finding the Fourth Proportional to 637,986.28, 880,440.96 and 366,103.96

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Solution

The fourth proportional to 637,986.28, 880,440.96 and 366,103.96 is: 505,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,986.28 : 880,440.96 = 366,103.96 : x
  2. Step 2: Convert to fraction form
    637,986.28/880,440.96 = 366,103.96/x
  3. Step 3: Cross multiply
    637,986.28x = 880,440.96 × 366,103.96
  4. Step 4: Simplify right side
    637,986.28x = 322,332,922,002.20
  5. Step 5: Solve for x
    x = 322,332,922,002.20/637,986.28
  6. Step 6: Final answer
    x = 505,234.88

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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.