Home / 1,188,481.02-1,783,265.85-514,768.38

Finding the Fourth Proportional to 1,188,481.02, 1,783,265.85 and 514,768.38

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Solution

The fourth proportional to 1,188,481.02, 1,783,265.85 and 514,768.38 is: 772,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,481.02 : 1,783,265.85 = 514,768.38 : x
  2. Step 2: Convert to fraction form
    1,188,481.02/1,783,265.85 = 514,768.38/x
  3. Step 3: Cross multiply
    1,188,481.02x = 1,783,265.85 × 514,768.38
  4. Step 4: Simplify right side
    1,188,481.02x = 917,968,872,713.82
  5. Step 5: Solve for x
    x = 917,968,872,713.82/1,188,481.02
  6. Step 6: Final answer
    x = 772,388.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.