Home / 1,568,253.81-2,164,227.56-879,976.60

Finding the Fourth Proportional to 1,568,253.81, 2,164,227.56 and 879,976.60

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Solution

The fourth proportional to 1,568,253.81, 2,164,227.56 and 879,976.60 is: 1,214,388.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568,253.81 : 2,164,227.56 = 879,976.60 : x
  2. Step 2: Convert to fraction form
    1,568,253.81/2,164,227.56 = 879,976.60/x
  3. Step 3: Cross multiply
    1,568,253.81x = 2,164,227.56 × 879,976.60
  4. Step 4: Simplify right side
    1,568,253.81x = 1,904,469,609,875.10
  5. Step 5: Solve for x
    x = 1,904,469,609,875.10/1,568,253.81
  6. Step 6: Final answer
    x = 1,214,388.64

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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.