Home / 682,216.36-1,023,327.02-208,899.80

Finding the Fourth Proportional to 682,216.36, 1,023,327.02 and 208,899.80

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Solution

The fourth proportional to 682,216.36, 1,023,327.02 and 208,899.80 is: 313,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,216.36 : 1,023,327.02 = 208,899.80 : x
  2. Step 2: Convert to fraction form
    682,216.36/1,023,327.02 = 208,899.80/x
  3. Step 3: Cross multiply
    682,216.36x = 1,023,327.02 × 208,899.80
  4. Step 4: Simplify right side
    682,216.36x = 213,772,809,812.60
  5. Step 5: Solve for x
    x = 213,772,809,812.60/682,216.36
  6. Step 6: Final answer
    x = 313,350.46

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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.