Home / 1,221,615.94-1,831,685.64-547,571.56

Finding the Fourth Proportional to 1,221,615.94, 1,831,685.64 and 547,571.56

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Solution

The fourth proportional to 1,221,615.94, 1,831,685.64 and 547,571.56 is: 821,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,615.94 : 1,831,685.64 = 547,571.56 : x
  2. Step 2: Convert to fraction form
    1,221,615.94/1,831,685.64 = 547,571.56/x
  3. Step 3: Cross multiply
    1,221,615.94x = 1,831,685.64 × 547,571.56
  4. Step 4: Simplify right side
    1,221,615.94x = 1,002,978,963,324.40
  5. Step 5: Solve for x
    x = 1,002,978,963,324.40/1,221,615.94
  6. Step 6: Final answer
    x = 821,026.42

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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.