Home / 1,019,174.64-1,528,945.82-419,808.66

Finding the Fourth Proportional to 1,019,174.64, 1,528,945.82 and 419,808.66

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Solution

The fourth proportional to 1,019,174.64, 1,528,945.82 and 419,808.66 is: 629,788.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,174.64 : 1,528,945.82 = 419,808.66 : x
  2. Step 2: Convert to fraction form
    1,019,174.64/1,528,945.82 = 419,808.66/x
  3. Step 3: Cross multiply
    1,019,174.64x = 1,528,945.82 × 419,808.66
  4. Step 4: Simplify right side
    1,019,174.64x = 641,864,695,906.80
  5. Step 5: Solve for x
    x = 641,864,695,906.80/1,019,174.64
  6. Step 6: Final answer
    x = 629,788.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.