Home / 1,419,192.27-2,129,127.39-472,571.19

Finding the Fourth Proportional to 1,419,192.27, 2,129,127.39 and 472,571.19

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Solution

The fourth proportional to 1,419,192.27, 2,129,127.39 and 472,571.19 is: 708,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,192.27 : 2,129,127.39 = 472,571.19 : x
  2. Step 2: Convert to fraction form
    1,419,192.27/2,129,127.39 = 472,571.19/x
  3. Step 3: Cross multiply
    1,419,192.27x = 2,129,127.39 × 472,571.19
  4. Step 4: Simplify right side
    1,419,192.27x = 1,006,164,264,353.89
  5. Step 5: Solve for x
    x = 1,006,164,264,353.89/1,419,192.27
  6. Step 6: Final answer
    x = 708,969.66

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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.