Home / 1,407,825.91-2,110,936.66-554,435.42

Finding the Fourth Proportional to 1,407,825.91, 2,110,936.66 and 554,435.42

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Solution

The fourth proportional to 1,407,825.91, 2,110,936.66 and 554,435.42 is: 831,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,825.91 : 2,110,936.66 = 554,435.42 : x
  2. Step 2: Convert to fraction form
    1,407,825.91/2,110,936.66 = 554,435.42/x
  3. Step 3: Cross multiply
    1,407,825.91x = 2,110,936.66 × 554,435.42
  4. Step 4: Simplify right side
    1,407,825.91x = 1,170,378,057,571.75
  5. Step 5: Solve for x
    x = 1,170,378,057,571.75/1,407,825.91
  6. Step 6: Final answer
    x = 831,337.21

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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.