Home / 1,622,442.96-2,238,958.08-897,321.12

Finding the Fourth Proportional to 1,622,442.96, 2,238,958.08 and 897,321.12

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Solution

The fourth proportional to 1,622,442.96, 2,238,958.08 and 897,321.12 is: 1,238,295.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,442.96 : 2,238,958.08 = 897,321.12 : x
  2. Step 2: Convert to fraction form
    1,622,442.96/2,238,958.08 = 897,321.12/x
  3. Step 3: Cross multiply
    1,622,442.96x = 2,238,958.08 × 897,321.12
  4. Step 4: Simplify right side
    1,622,442.96x = 2,009,064,371,978.65
  5. Step 5: Solve for x
    x = 2,009,064,371,978.65/1,622,442.96
  6. Step 6: Final answer
    x = 1,238,295.84

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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.