Home / 683,648.29-943,453.66-377,744.38

Finding the Fourth Proportional to 683,648.29, 943,453.66 and 377,744.38

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Solution

The fourth proportional to 683,648.29, 943,453.66 and 377,744.38 is: 521,297.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,648.29 : 943,453.66 = 377,744.38 : x
  2. Step 2: Convert to fraction form
    683,648.29/943,453.66 = 377,744.38/x
  3. Step 3: Cross multiply
    683,648.29x = 943,453.66 × 377,744.38
  4. Step 4: Simplify right side
    683,648.29x = 356,384,317,855.43
  5. Step 5: Solve for x
    x = 356,384,317,855.43/683,648.29
  6. Step 6: Final answer
    x = 521,297.75

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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.