Home / 1,206,500.06-1,809,999.32-353,599.68

Finding the Fourth Proportional to 1,206,500.06, 1,809,999.32 and 353,599.68

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Solution

The fourth proportional to 1,206,500.06, 1,809,999.32 and 353,599.68 is: 530,472.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,500.06 : 1,809,999.32 = 353,599.68 : x
  2. Step 2: Convert to fraction form
    1,206,500.06/1,809,999.32 = 353,599.68/x
  3. Step 3: Cross multiply
    1,206,500.06x = 1,809,999.32 × 353,599.68
  4. Step 4: Simplify right side
    1,206,500.06x = 640,015,177,179.47
  5. Step 5: Solve for x
    x = 640,015,177,179.47/1,206,500.06
  6. Step 6: Final answer
    x = 530,472.56

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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.