Home / 419,524.74-629,378.25-153,284.85

Finding the Fourth Proportional to 419,524.74, 629,378.25 and 153,284.85

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Solution

The fourth proportional to 419,524.74, 629,378.25 and 153,284.85 is: 229,960.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,524.74 : 629,378.25 = 153,284.85 : x
  2. Step 2: Convert to fraction form
    419,524.74/629,378.25 = 153,284.85/x
  3. Step 3: Cross multiply
    419,524.74x = 629,378.25 × 153,284.85
  4. Step 4: Simplify right side
    419,524.74x = 96,474,150,644.51
  5. Step 5: Solve for x
    x = 96,474,150,644.51/419,524.74
  6. Step 6: Final answer
    x = 229,960.58

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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.