Home / 682,715.80-1,022,105.40-603,983.80

Finding the Fourth Proportional to 682,715.80, 1,022,105.40 and 603,983.80

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Solution

The fourth proportional to 682,715.80, 1,022,105.40 and 603,983.80 is: 904,234.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,715.80 : 1,022,105.40 = 603,983.80 : x
  2. Step 2: Convert to fraction form
    682,715.80/1,022,105.40 = 603,983.80/x
  3. Step 3: Cross multiply
    682,715.80x = 1,022,105.40 × 603,983.80
  4. Step 4: Simplify right side
    682,715.80x = 617,335,103,492.52
  5. Step 5: Solve for x
    x = 617,335,103,492.52/682,715.80
  6. Step 6: Final answer
    x = 904,234.39

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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.