Home / 683,826.30-943,716.42-411,979.77

Finding the Fourth Proportional to 683,826.30, 943,716.42 and 411,979.77

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Solution

The fourth proportional to 683,826.30, 943,716.42 and 411,979.77 is: 568,553.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,826.30 : 943,716.42 = 411,979.77 : x
  2. Step 2: Convert to fraction form
    683,826.30/943,716.42 = 411,979.77/x
  3. Step 3: Cross multiply
    683,826.30x = 943,716.42 × 411,979.77
  4. Step 4: Simplify right side
    683,826.30x = 388,792,073,656.82
  5. Step 5: Solve for x
    x = 388,792,073,656.82/683,826.30
  6. Step 6: Final answer
    x = 568,553.85

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1.5x scale

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.