Home / 1,092,707.85-1,638,127.17-419,272.41

Finding the Fourth Proportional to 1,092,707.85, 1,638,127.17 and 419,272.41

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Solution

The fourth proportional to 1,092,707.85, 1,638,127.17 and 419,272.41 is: 628,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,707.85 : 1,638,127.17 = 419,272.41 : x
  2. Step 2: Convert to fraction form
    1,092,707.85/1,638,127.17 = 419,272.41/x
  3. Step 3: Cross multiply
    1,092,707.85x = 1,638,127.17 × 419,272.41
  4. Step 4: Simplify right side
    1,092,707.85x = 686,821,526,452.38
  5. Step 5: Solve for x
    x = 686,821,526,452.38/1,092,707.85
  6. Step 6: Final answer
    x = 628,550.01

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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.