Home / 1,223,000.94-1,687,753.08-713,604.90

Finding the Fourth Proportional to 1,223,000.94, 1,687,753.08 and 713,604.90

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Solution

The fourth proportional to 1,223,000.94, 1,687,753.08 and 713,604.90 is: 984,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,000.94 : 1,687,753.08 = 713,604.90 : x
  2. Step 2: Convert to fraction form
    1,223,000.94/1,687,753.08 = 713,604.90/x
  3. Step 3: Cross multiply
    1,223,000.94x = 1,687,753.08 × 713,604.90
  4. Step 4: Simplify right side
    1,223,000.94x = 1,204,388,867,878.09
  5. Step 5: Solve for x
    x = 1,204,388,867,878.09/1,223,000.94
  6. Step 6: Final answer
    x = 984,781.64

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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.