Home / 1,579,792.70-2,180,109.05-854,640.23

Finding the Fourth Proportional to 1,579,792.70, 2,180,109.05 and 854,640.23

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Solution

The fourth proportional to 1,579,792.70, 2,180,109.05 and 854,640.23 is: 1,179,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579,792.70 : 2,180,109.05 = 854,640.23 : x
  2. Step 2: Convert to fraction form
    1,579,792.70/2,180,109.05 = 854,640.23/x
  3. Step 3: Cross multiply
    1,579,792.70x = 2,180,109.05 × 854,640.23
  4. Step 4: Simplify right side
    1,579,792.70x = 1,863,208,889,016.54
  5. Step 5: Solve for x
    x = 1,863,208,889,016.54/1,579,792.70
  6. Step 6: Final answer
    x = 1,179,400.87

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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.