Home / 1,019,272.92-1,529,093.93-419,901

Finding the Fourth Proportional to 1,019,272.92, 1,529,093.93 and 419,901

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Solution

The fourth proportional to 1,019,272.92, 1,529,093.93 and 419,901 is: 629,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,272.92 : 1,529,093.93 = 419,901 : x
  2. Step 2: Convert to fraction form
    1,019,272.92/1,529,093.93 = 419,901/x
  3. Step 3: Cross multiply
    1,019,272.92x = 1,529,093.93 × 419,901
  4. Step 4: Simplify right side
    1,019,272.92x = 642,068,068,201.43
  5. Step 5: Solve for x
    x = 642,068,068,201.43/1,019,272.92
  6. Step 6: Final answer
    x = 629,927.53

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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.