Home / 376,792.63-519,943.66-215,610.73

Finding the Fourth Proportional to 376,792.63, 519,943.66 and 215,610.73

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Solution

The fourth proportional to 376,792.63, 519,943.66 and 215,610.73 is: 297,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,792.63 : 519,943.66 = 215,610.73 : x
  2. Step 2: Convert to fraction form
    376,792.63/519,943.66 = 215,610.73/x
  3. Step 3: Cross multiply
    376,792.63x = 519,943.66 × 215,610.73
  4. Step 4: Simplify right side
    376,792.63x = 112,105,432,091.47
  5. Step 5: Solve for x
    x = 112,105,432,091.47/376,792.63
  6. Step 6: Final answer
    x = 297,525.54

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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.