Home / 682,014.48-941,158.40-376,103.78

Finding the Fourth Proportional to 682,014.48, 941,158.40 and 376,103.78

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Solution

The fourth proportional to 682,014.48, 941,158.40 and 376,103.78 is: 519,011.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,014.48 : 941,158.40 = 376,103.78 : x
  2. Step 2: Convert to fraction form
    682,014.48/941,158.40 = 376,103.78/x
  3. Step 3: Cross multiply
    682,014.48x = 941,158.40 × 376,103.78
  4. Step 4: Simplify right side
    682,014.48x = 353,973,231,818.75
  5. Step 5: Solve for x
    x = 353,973,231,818.75/682,014.48
  6. Step 6: Final answer
    x = 519,011.31

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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.