Home / 683,936.43-943,881.12-378,006.24

Finding the Fourth Proportional to 683,936.43, 943,881.12 and 378,006.24

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Solution

The fourth proportional to 683,936.43, 943,881.12 and 378,006.24 is: 521,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,936.43 : 943,881.12 = 378,006.24 : x
  2. Step 2: Convert to fraction form
    683,936.43/943,881.12 = 378,006.24/x
  3. Step 3: Cross multiply
    683,936.43x = 943,881.12 × 378,006.24
  4. Step 4: Simplify right side
    683,936.43x = 356,792,952,705.68
  5. Step 5: Solve for x
    x = 356,792,952,705.68/683,936.43
  6. Step 6: Final answer
    x = 521,675.60

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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.