Home / 1,106,608.20-1,659,912.30-545,569.80

Finding the Fourth Proportional to 1,106,608.20, 1,659,912.30 and 545,569.80

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Solution

The fourth proportional to 1,106,608.20, 1,659,912.30 and 545,569.80 is: 818,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,608.20 : 1,659,912.30 = 545,569.80 : x
  2. Step 2: Convert to fraction form
    1,106,608.20/1,659,912.30 = 545,569.80/x
  3. Step 3: Cross multiply
    1,106,608.20x = 1,659,912.30 × 545,569.80
  4. Step 4: Simplify right side
    1,106,608.20x = 905,598,021,528.54
  5. Step 5: Solve for x
    x = 905,598,021,528.54/1,106,608.20
  6. Step 6: Final answer
    x = 818,354.70

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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.