Home / 812,757.54-1,121,623.61-463,891.00

Finding the Fourth Proportional to 812,757.54, 1,121,623.61 and 463,891.00

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Solution

The fourth proportional to 812,757.54, 1,121,623.61 and 463,891.00 is: 640,179.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,757.54 : 1,121,623.61 = 463,891.00 : x
  2. Step 2: Convert to fraction form
    812,757.54/1,121,623.61 = 463,891.00/x
  3. Step 3: Cross multiply
    812,757.54x = 1,121,623.61 × 463,891.00
  4. Step 4: Simplify right side
    812,757.54x = 520,311,095,046.04
  5. Step 5: Solve for x
    x = 520,311,095,046.04/812,757.54
  6. Step 6: Final answer
    x = 640,179.96

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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.