Home / 1,099,840.23-1,517,775.91-641,226.33

Finding the Fourth Proportional to 1,099,840.23, 1,517,775.91 and 641,226.33

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Solution

The fourth proportional to 1,099,840.23, 1,517,775.91 and 641,226.33 is: 884,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,840.23 : 1,517,775.91 = 641,226.33 : x
  2. Step 2: Convert to fraction form
    1,099,840.23/1,517,775.91 = 641,226.33/x
  3. Step 3: Cross multiply
    1,099,840.23x = 1,517,775.91 × 641,226.33
  4. Step 4: Simplify right side
    1,099,840.23x = 973,237,874,928.64
  5. Step 5: Solve for x
    x = 973,237,874,928.64/1,099,840.23
  6. Step 6: Final answer
    x = 884,890.23

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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.