Home / 1,188,613.76-1,783,183.12-440,659.76

Finding the Fourth Proportional to 1,188,613.76, 1,783,183.12 and 440,659.76

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Solution

The fourth proportional to 1,188,613.76, 1,783,183.12 and 440,659.76 is: 661,086.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,613.76 : 1,783,183.12 = 440,659.76 : x
  2. Step 2: Convert to fraction form
    1,188,613.76/1,783,183.12 = 440,659.76/x
  3. Step 3: Cross multiply
    1,188,613.76x = 1,783,183.12 × 440,659.76
  4. Step 4: Simplify right side
    1,188,613.76x = 785,777,045,695.25
  5. Step 5: Solve for x
    x = 785,777,045,695.25/1,188,613.76
  6. Step 6: Final answer
    x = 661,086.95

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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.