Home / 723,795.21-998,183.39-451,887.93

Finding the Fourth Proportional to 723,795.21, 998,183.39 and 451,887.93

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Solution

The fourth proportional to 723,795.21, 998,183.39 and 451,887.93 is: 623,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,795.21 : 998,183.39 = 451,887.93 : x
  2. Step 2: Convert to fraction form
    723,795.21/998,183.39 = 451,887.93/x
  3. Step 3: Cross multiply
    723,795.21x = 998,183.39 × 451,887.93
  4. Step 4: Simplify right side
    723,795.21x = 451,067,023,608.04
  5. Step 5: Solve for x
    x = 451,067,023,608.04/723,795.21
  6. Step 6: Final answer
    x = 623,197.03

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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.