Home / 685,260.64-945,672.24-383,453.92

Finding the Fourth Proportional to 685,260.64, 945,672.24 and 383,453.92

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Solution

The fourth proportional to 685,260.64, 945,672.24 and 383,453.92 is: 529,173.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,260.64 : 945,672.24 = 383,453.92 : x
  2. Step 2: Convert to fraction form
    685,260.64/945,672.24 = 383,453.92/x
  3. Step 3: Cross multiply
    685,260.64x = 945,672.24 × 383,453.92
  4. Step 4: Simplify right side
    685,260.64x = 362,621,727,463.18
  5. Step 5: Solve for x
    x = 362,621,727,463.18/685,260.64
  6. Step 6: Final answer
    x = 529,173.44

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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.