Home / 1,089,755.82-1,634,617.29-490,293.66

Finding the Fourth Proportional to 1,089,755.82, 1,634,617.29 and 490,293.66

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Solution

The fourth proportional to 1,089,755.82, 1,634,617.29 and 490,293.66 is: 735,433.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,755.82 : 1,634,617.29 = 490,293.66 : x
  2. Step 2: Convert to fraction form
    1,089,755.82/1,634,617.29 = 490,293.66/x
  3. Step 3: Cross multiply
    1,089,755.82x = 1,634,617.29 × 490,293.66
  4. Step 4: Simplify right side
    1,089,755.82x = 801,442,493,813.38
  5. Step 5: Solve for x
    x = 801,442,493,813.38/1,089,755.82
  6. Step 6: Final answer
    x = 735,433.09

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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.