Home / 1,621,804.98-2,238,020.64-886,745.64

Finding the Fourth Proportional to 1,621,804.98, 2,238,020.64 and 886,745.64

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Solution

The fourth proportional to 1,621,804.98, 2,238,020.64 and 886,745.64 is: 1,223,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,804.98 : 2,238,020.64 = 886,745.64 : x
  2. Step 2: Convert to fraction form
    1,621,804.98/2,238,020.64 = 886,745.64/x
  3. Step 3: Cross multiply
    1,621,804.98x = 2,238,020.64 × 886,745.64
  4. Step 4: Simplify right side
    1,621,804.98x = 1,984,555,044,750.01
  5. Step 5: Solve for x
    x = 1,984,555,044,750.01/1,621,804.98
  6. Step 6: Final answer
    x = 1,223,670.58

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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.