Home / 682,023.09-941,170.21-376,112.36

Finding the Fourth Proportional to 682,023.09, 941,170.21 and 376,112.36

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Solution

The fourth proportional to 682,023.09, 941,170.21 and 376,112.36 is: 519,023.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,023.09 : 941,170.21 = 376,112.36 : x
  2. Step 2: Convert to fraction form
    682,023.09/941,170.21 = 376,112.36/x
  3. Step 3: Cross multiply
    682,023.09x = 941,170.21 × 376,112.36
  4. Step 4: Simplify right side
    682,023.09x = 353,985,751,315.26
  5. Step 5: Solve for x
    x = 353,985,751,315.26/682,023.09
  6. Step 6: Final answer
    x = 519,023.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.