Home / 447,639.14-618,296.95-324,935.82

Finding the Fourth Proportional to 447,639.14, 618,296.95 and 324,935.82

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Solution

The fourth proportional to 447,639.14, 618,296.95 and 324,935.82 is: 448,814.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,639.14 : 618,296.95 = 324,935.82 : x
  2. Step 2: Convert to fraction form
    447,639.14/618,296.95 = 324,935.82/x
  3. Step 3: Cross multiply
    447,639.14x = 618,296.95 × 324,935.82
  4. Step 4: Simplify right side
    447,639.14x = 200,906,826,451.75
  5. Step 5: Solve for x
    x = 200,906,826,451.75/447,639.14
  6. Step 6: Final answer
    x = 448,814.25

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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.