Home / 682,716.80-1,022,106.90-603,984.80

Finding the Fourth Proportional to 682,716.80, 1,022,106.90 and 603,984.80

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Solution

The fourth proportional to 682,716.80, 1,022,106.90 and 603,984.80 is: 904,235.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,716.80 : 1,022,106.90 = 603,984.80 : x
  2. Step 2: Convert to fraction form
    682,716.80/1,022,106.90 = 603,984.80/x
  3. Step 3: Cross multiply
    682,716.80x = 1,022,106.90 × 603,984.80
  4. Step 4: Simplify right side
    682,716.80x = 617,337,031,575.12
  5. Step 5: Solve for x
    x = 617,337,031,575.12/682,716.80
  6. Step 6: Final answer
    x = 904,235.89

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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.