Home / 645,797.20-968,732.24-196,532.72

Finding the Fourth Proportional to 645,797.20, 968,732.24 and 196,532.72

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Solution

The fourth proportional to 645,797.20, 968,732.24 and 196,532.72 is: 294,810.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,797.20 : 968,732.24 = 196,532.72 : x
  2. Step 2: Convert to fraction form
    645,797.20/968,732.24 = 196,532.72/x
  3. Step 3: Cross multiply
    645,797.20x = 968,732.24 × 196,532.72
  4. Step 4: Simplify right side
    645,797.20x = 190,387,582,078.89
  5. Step 5: Solve for x
    x = 190,387,582,078.89/645,797.20
  6. Step 6: Final answer
    x = 294,810.17

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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.