Home / 1,576,556.50-2,175,656.73-861,164.50

Finding the Fourth Proportional to 1,576,556.50, 2,175,656.73 and 861,164.50

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Solution

The fourth proportional to 1,576,556.50, 2,175,656.73 and 861,164.50 is: 1,188,411.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,556.50 : 2,175,656.73 = 861,164.50 : x
  2. Step 2: Convert to fraction form
    1,576,556.50/2,175,656.73 = 861,164.50/x
  3. Step 3: Cross multiply
    1,576,556.50x = 2,175,656.73 × 861,164.50
  4. Step 4: Simplify right side
    1,576,556.50x = 1,873,598,340,062.09
  5. Step 5: Solve for x
    x = 1,873,598,340,062.09/1,576,556.50
  6. Step 6: Final answer
    x = 1,188,411.79

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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.