Home / 603,743.24-833,185.64-331,820.78

Finding the Fourth Proportional to 603,743.24, 833,185.64 and 331,820.78

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Solution

The fourth proportional to 603,743.24, 833,185.64 and 331,820.78 is: 457,923.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,743.24 : 833,185.64 = 331,820.78 : x
  2. Step 2: Convert to fraction form
    603,743.24/833,185.64 = 331,820.78/x
  3. Step 3: Cross multiply
    603,743.24x = 833,185.64 × 331,820.78
  4. Step 4: Simplify right side
    603,743.24x = 276,468,308,949.60
  5. Step 5: Solve for x
    x = 276,468,308,949.60/603,743.24
  6. Step 6: Final answer
    x = 457,923.65

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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.