Home / 1,580,033.89-2,180,431.26-854,865.69

Finding the Fourth Proportional to 1,580,033.89, 2,180,431.26 and 854,865.69

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Solution

The fourth proportional to 1,580,033.89, 2,180,431.26 and 854,865.69 is: 1,179,706.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,033.89 : 2,180,431.26 = 854,865.69 : x
  2. Step 2: Convert to fraction form
    1,580,033.89/2,180,431.26 = 854,865.69/x
  3. Step 3: Cross multiply
    1,580,033.89x = 2,180,431.26 × 854,865.69
  4. Step 4: Simplify right side
    1,580,033.89x = 1,863,975,876,303.01
  5. Step 5: Solve for x
    x = 1,863,975,876,303.01/1,580,033.89
  6. Step 6: Final answer
    x = 1,179,706.27

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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.