Home / 1,093,703.06-1,640,633.42-419,784.37

Finding the Fourth Proportional to 1,093,703.06, 1,640,633.42 and 419,784.37

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Solution

The fourth proportional to 1,093,703.06, 1,640,633.42 and 419,784.37 is: 629,706.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,703.06 : 1,640,633.42 = 419,784.37 : x
  2. Step 2: Convert to fraction form
    1,093,703.06/1,640,633.42 = 419,784.37/x
  3. Step 3: Cross multiply
    1,093,703.06x = 1,640,633.42 × 419,784.37
  4. Step 4: Simplify right side
    1,093,703.06x = 688,712,263,563.52
  5. Step 5: Solve for x
    x = 688,712,263,563.52/1,093,703.06
  6. Step 6: Final answer
    x = 629,706.81

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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.