Home / 1,622,720.78-2,239,204.38-897,552.89

Finding the Fourth Proportional to 1,622,720.78, 2,239,204.38 and 897,552.89

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Solution

The fourth proportional to 1,622,720.78, 2,239,204.38 and 897,552.89 is: 1,238,539.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,720.78 : 2,239,204.38 = 897,552.89 : x
  2. Step 2: Convert to fraction form
    1,622,720.78/2,239,204.38 = 897,552.89/x
  3. Step 3: Cross multiply
    1,622,720.78x = 2,239,204.38 × 897,552.89
  4. Step 4: Simplify right side
    1,622,720.78x = 2,009,804,351,373.64
  5. Step 5: Solve for x
    x = 2,009,804,351,373.64/1,622,720.78
  6. Step 6: Final answer
    x = 1,238,539.85

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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.