Home / 1,576,664-2,175,796.32-861,272

Finding the Fourth Proportional to 1,576,664, 2,175,796.32 and 861,272

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Solution

The fourth proportional to 1,576,664, 2,175,796.32 and 861,272 is: 1,188,555.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,664 : 2,175,796.32 = 861,272 : x
  2. Step 2: Convert to fraction form
    1,576,664/2,175,796.32 = 861,272/x
  3. Step 3: Cross multiply
    1,576,664x = 2,175,796.32 × 861,272
  4. Step 4: Simplify right side
    1,576,664x = 1,873,952,448,119.04
  5. Step 5: Solve for x
    x = 1,873,952,448,119.04/1,576,664
  6. Step 6: Final answer
    x = 1,188,555.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.