Home / 809,459.13-1,117,035.85-441,923.73

Finding the Fourth Proportional to 809,459.13, 1,117,035.85 and 441,923.73

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Solution

The fourth proportional to 809,459.13, 1,117,035.85 and 441,923.73 is: 609,845.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,459.13 : 1,117,035.85 = 441,923.73 : x
  2. Step 2: Convert to fraction form
    809,459.13/1,117,035.85 = 441,923.73/x
  3. Step 3: Cross multiply
    809,459.13x = 1,117,035.85 × 441,923.73
  4. Step 4: Simplify right side
    809,459.13x = 493,644,649,375.72
  5. Step 5: Solve for x
    x = 493,644,649,375.72/809,459.13
  6. Step 6: Final answer
    x = 609,845.06

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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.