Home / 683,936.49-943,881.23-378,006.29

Finding the Fourth Proportional to 683,936.49, 943,881.23 and 378,006.29

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Solution

The fourth proportional to 683,936.49, 943,881.23 and 378,006.29 is: 521,675.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,936.49 : 943,881.23 = 378,006.29 : x
  2. Step 2: Convert to fraction form
    683,936.49/943,881.23 = 378,006.29/x
  3. Step 3: Cross multiply
    683,936.49x = 943,881.23 × 378,006.29
  4. Step 4: Simplify right side
    683,936.49x = 356,793,040,062.91
  5. Step 5: Solve for x
    x = 356,793,040,062.91/683,936.49
  6. Step 6: Final answer
    x = 521,675.69

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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.