Home / 1,419,192.11-2,129,127.17-472,571.03

Finding the Fourth Proportional to 1,419,192.11, 2,129,127.17 and 472,571.03

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Solution

The fourth proportional to 1,419,192.11, 2,129,127.17 and 472,571.03 is: 708,969.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,192.11 : 2,129,127.17 = 472,571.03 : x
  2. Step 2: Convert to fraction form
    1,419,192.11/2,129,127.17 = 472,571.03/x
  3. Step 3: Cross multiply
    1,419,192.11x = 2,129,127.17 × 472,571.03
  4. Step 4: Simplify right side
    1,419,192.11x = 1,006,163,822,687.85
  5. Step 5: Solve for x
    x = 1,006,163,822,687.85/1,419,192.11
  6. Step 6: Final answer
    x = 708,969.43

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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.