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Finding the Fourth Proportional to 1,783,978.03, 2,461,890.95 and 968,181.52

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Solution

The fourth proportional to 1,783,978.03, 2,461,890.95 and 968,181.52 is: 1,336,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,978.03 : 2,461,890.95 = 968,181.52 : x
  2. Step 2: Convert to fraction form
    1,783,978.03/2,461,890.95 = 968,181.52/x
  3. Step 3: Cross multiply
    1,783,978.03x = 2,461,890.95 × 968,181.52
  4. Step 4: Simplify right side
    1,783,978.03x = 2,383,557,323,912.38
  5. Step 5: Solve for x
    x = 2,383,557,323,912.38/1,783,978.03
  6. Step 6: Final answer
    x = 1,336,091.19

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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.