Home / 1,785,811.20-2,678,716.80-603,859.20

Finding the Fourth Proportional to 1,785,811.20, 2,678,716.80 and 603,859.20

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Solution

The fourth proportional to 1,785,811.20, 2,678,716.80 and 603,859.20 is: 905,788.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,811.20 : 2,678,716.80 = 603,859.20 : x
  2. Step 2: Convert to fraction form
    1,785,811.20/2,678,716.80 = 603,859.20/x
  3. Step 3: Cross multiply
    1,785,811.20x = 2,678,716.80 × 603,859.20
  4. Step 4: Simplify right side
    1,785,811.20x = 1,617,567,783,874.56
  5. Step 5: Solve for x
    x = 1,617,567,783,874.56/1,785,811.20
  6. Step 6: Final answer
    x = 905,788.80

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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.