Home / 455,960.32-629,205.62-252,000.70

Finding the Fourth Proportional to 455,960.32, 629,205.62 and 252,000.70

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Solution

The fourth proportional to 455,960.32, 629,205.62 and 252,000.70 is: 347,750.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,960.32 : 629,205.62 = 252,000.70 : x
  2. Step 2: Convert to fraction form
    455,960.32/629,205.62 = 252,000.70/x
  3. Step 3: Cross multiply
    455,960.32x = 629,205.62 × 252,000.70
  4. Step 4: Simplify right side
    455,960.32x = 158,560,256,683.93
  5. Step 5: Solve for x
    x = 158,560,256,683.93/455,960.32
  6. Step 6: Final answer
    x = 347,750.12

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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.