Home / 626,945.05-865,321.95-412,105.11

Finding the Fourth Proportional to 626,945.05, 865,321.95 and 412,105.11

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Solution

The fourth proportional to 626,945.05, 865,321.95 and 412,105.11 is: 568,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,945.05 : 865,321.95 = 412,105.11 : x
  2. Step 2: Convert to fraction form
    626,945.05/865,321.95 = 412,105.11/x
  3. Step 3: Cross multiply
    626,945.05x = 865,321.95 × 412,105.11
  4. Step 4: Simplify right side
    626,945.05x = 356,603,597,390.17
  5. Step 5: Solve for x
    x = 356,603,597,390.17/626,945.05
  6. Step 6: Final answer
    x = 568,795.62

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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.