Home / 682,355.32-1,023,759.48-209,045.32

Finding the Fourth Proportional to 682,355.32, 1,023,759.48 and 209,045.32

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Solution

The fourth proportional to 682,355.32, 1,023,759.48 and 209,045.32 is: 313,637.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,355.32 : 1,023,759.48 = 209,045.32 : x
  2. Step 2: Convert to fraction form
    682,355.32/1,023,759.48 = 209,045.32/x
  3. Step 3: Cross multiply
    682,355.32x = 1,023,759.48 × 209,045.32
  4. Step 4: Simplify right side
    682,355.32x = 214,012,128,099.63
  5. Step 5: Solve for x
    x = 214,012,128,099.63/682,355.32
  6. Step 6: Final answer
    x = 313,637.37

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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.