Home / 455,828.96-629,043.94-254,624.96

Finding the Fourth Proportional to 455,828.96, 629,043.94 and 254,624.96

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Solution

The fourth proportional to 455,828.96, 629,043.94 and 254,624.96 is: 351,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,828.96 : 629,043.94 = 254,624.96 : x
  2. Step 2: Convert to fraction form
    455,828.96/629,043.94 = 254,624.96/x
  3. Step 3: Cross multiply
    455,828.96x = 629,043.94 × 254,624.96
  4. Step 4: Simplify right side
    455,828.96x = 160,170,288,060.74
  5. Step 5: Solve for x
    x = 160,170,288,060.74/455,828.96
  6. Step 6: Final answer
    x = 351,382.43

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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.