Home / 682,684.02-1,023,689.06-209,255.22

Finding the Fourth Proportional to 682,684.02, 1,023,689.06 and 209,255.22

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Solution

The fourth proportional to 682,684.02, 1,023,689.06 and 209,255.22 is: 313,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,684.02 : 1,023,689.06 = 209,255.22 : x
  2. Step 2: Convert to fraction form
    682,684.02/1,023,689.06 = 209,255.22/x
  3. Step 3: Cross multiply
    682,684.02x = 1,023,689.06 × 209,255.22
  4. Step 4: Simplify right side
    682,684.02x = 214,212,279,461.89
  5. Step 5: Solve for x
    x = 214,212,279,461.89/682,684.02
  6. Step 6: Final answer
    x = 313,779.54

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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.