Home / 1,089,955.90-1,635,283.91-331,944

Finding the Fourth Proportional to 1,089,955.90, 1,635,283.91 and 331,944

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Solution

The fourth proportional to 1,089,955.90, 1,635,283.91 and 331,944 is: 498,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,955.90 : 1,635,283.91 = 331,944 : x
  2. Step 2: Convert to fraction form
    1,089,955.90/1,635,283.91 = 331,944/x
  3. Step 3: Cross multiply
    1,089,955.90x = 1,635,283.91 × 331,944
  4. Step 4: Simplify right side
    1,089,955.90x = 542,822,682,221.04
  5. Step 5: Solve for x
    x = 542,822,682,221.04/1,089,955.90
  6. Step 6: Final answer
    x = 498,022.61

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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.