Home / 826,429.94-1,140,481.76-463,846.53

Finding the Fourth Proportional to 826,429.94, 1,140,481.76 and 463,846.53

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Solution

The fourth proportional to 826,429.94, 1,140,481.76 and 463,846.53 is: 640,112.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,429.94 : 1,140,481.76 = 463,846.53 : x
  2. Step 2: Convert to fraction form
    826,429.94/1,140,481.76 = 463,846.53/x
  3. Step 3: Cross multiply
    826,429.94x = 1,140,481.76 × 463,846.53
  4. Step 4: Simplify right side
    826,429.94x = 529,008,504,585.06
  5. Step 5: Solve for x
    x = 529,008,504,585.06/826,429.94
  6. Step 6: Final answer
    x = 640,112.95

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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.