Home / 1,100,610.96-1,650,639.24-426,460.56

Finding the Fourth Proportional to 1,100,610.96, 1,650,639.24 and 426,460.56

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Solution

The fourth proportional to 1,100,610.96, 1,650,639.24 and 426,460.56 is: 639,583.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,610.96 : 1,650,639.24 = 426,460.56 : x
  2. Step 2: Convert to fraction form
    1,100,610.96/1,650,639.24 = 426,460.56/x
  3. Step 3: Cross multiply
    1,100,610.96x = 1,650,639.24 × 426,460.56
  4. Step 4: Simplify right side
    1,100,610.96x = 703,932,534,648.37
  5. Step 5: Solve for x
    x = 703,932,534,648.37/1,100,610.96
  6. Step 6: Final answer
    x = 639,583.43

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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.