Home / 1,223,999.91-1,836,311.31-718,988.00

Finding the Fourth Proportional to 1,223,999.91, 1,836,311.31 and 718,988.00

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Solution

The fourth proportional to 1,223,999.91, 1,836,311.31 and 718,988.00 is: 1,078,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,999.91 : 1,836,311.31 = 718,988.00 : x
  2. Step 2: Convert to fraction form
    1,223,999.91/1,836,311.31 = 718,988.00/x
  3. Step 3: Cross multiply
    1,223,999.91x = 1,836,311.31 × 718,988.00
  4. Step 4: Simplify right side
    1,223,999.91x = 1,320,285,786,972.72
  5. Step 5: Solve for x
    x = 1,320,285,786,972.72/1,223,999.91
  6. Step 6: Final answer
    x = 1,078,664.94

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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.