Home / 1,628,386.44-2,441,866.86-668,183.28

Finding the Fourth Proportional to 1,628,386.44, 2,441,866.86 and 668,183.28

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Solution

The fourth proportional to 1,628,386.44, 2,441,866.86 and 668,183.28 is: 1,001,982.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,386.44 : 2,441,866.86 = 668,183.28 : x
  2. Step 2: Convert to fraction form
    1,628,386.44/2,441,866.86 = 668,183.28/x
  3. Step 3: Cross multiply
    1,628,386.44x = 2,441,866.86 × 668,183.28
  4. Step 4: Simplify right side
    1,628,386.44x = 1,631,614,607,838.10
  5. Step 5: Solve for x
    x = 1,631,614,607,838.10/1,628,386.44
  6. Step 6: Final answer
    x = 1,001,982.43

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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.