Home / 1,059,151.41-1,588,738.19-419,610.78

Finding the Fourth Proportional to 1,059,151.41, 1,588,738.19 and 419,610.78

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Solution

The fourth proportional to 1,059,151.41, 1,588,738.19 and 419,610.78 is: 629,420.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,151.41 : 1,588,738.19 = 419,610.78 : x
  2. Step 2: Convert to fraction form
    1,059,151.41/1,588,738.19 = 419,610.78/x
  3. Step 3: Cross multiply
    1,059,151.41x = 1,588,738.19 × 419,610.78
  4. Step 4: Simplify right side
    1,059,151.41x = 666,651,669,023.63
  5. Step 5: Solve for x
    x = 666,651,669,023.63/1,059,151.41
  6. Step 6: Final answer
    x = 629,420.56

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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.