Home / 456,311.32-683,469.39-231,285.43

Finding the Fourth Proportional to 456,311.32, 683,469.39 and 231,285.43

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Solution

The fourth proportional to 456,311.32, 683,469.39 and 231,285.43 is: 346,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,311.32 : 683,469.39 = 231,285.43 : x
  2. Step 2: Convert to fraction form
    456,311.32/683,469.39 = 231,285.43/x
  3. Step 3: Cross multiply
    456,311.32x = 683,469.39 × 231,285.43
  4. Step 4: Simplify right side
    456,311.32x = 158,076,509,635.13
  5. Step 5: Solve for x
    x = 158,076,509,635.13/456,311.32
  6. Step 6: Final answer
    x = 346,422.50

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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.