Home / 683,649.29-943,455.04-377,745.38

Finding the Fourth Proportional to 683,649.29, 943,455.04 and 377,745.38

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Solution

The fourth proportional to 683,649.29, 943,455.04 and 377,745.38 is: 521,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,649.29 : 943,455.04 = 377,745.38 : x
  2. Step 2: Convert to fraction form
    683,649.29/943,455.04 = 377,745.38/x
  3. Step 3: Cross multiply
    683,649.29x = 943,455.04 × 377,745.38
  4. Step 4: Simplify right side
    683,649.29x = 356,385,782,597.72
  5. Step 5: Solve for x
    x = 356,385,782,597.72/683,649.29
  6. Step 6: Final answer
    x = 521,299.13

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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.