Home / 682,719.80-1,022,111.40-603,987.80

Finding the Fourth Proportional to 682,719.80, 1,022,111.40 and 603,987.80

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Solution

The fourth proportional to 682,719.80, 1,022,111.40 and 603,987.80 is: 904,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,719.80 : 1,022,111.40 = 603,987.80 : x
  2. Step 2: Convert to fraction form
    682,719.80/1,022,111.40 = 603,987.80/x
  3. Step 3: Cross multiply
    682,719.80x = 1,022,111.40 × 603,987.80
  4. Step 4: Simplify right side
    682,719.80x = 617,342,815,840.92
  5. Step 5: Solve for x
    x = 617,342,815,840.92/682,719.80
  6. Step 6: Final answer
    x = 904,240.39

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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.