Home / 451,896.84-623,629.12-247,947.71

Finding the Fourth Proportional to 451,896.84, 623,629.12 and 247,947.71

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Solution

The fourth proportional to 451,896.84, 623,629.12 and 247,947.71 is: 342,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,896.84 : 623,629.12 = 247,947.71 : x
  2. Step 2: Convert to fraction form
    451,896.84/623,629.12 = 247,947.71/x
  3. Step 3: Cross multiply
    451,896.84x = 623,629.12 × 247,947.71
  4. Step 4: Simplify right side
    451,896.84x = 154,627,410,674.16
  5. Step 5: Solve for x
    x = 154,627,410,674.16/451,896.84
  6. Step 6: Final answer
    x = 342,174.13

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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.