Home / 1,206,738.72-1,665,865.44-697,341.60

Finding the Fourth Proportional to 1,206,738.72, 1,665,865.44 and 697,341.60

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Solution

The fourth proportional to 1,206,738.72, 1,665,865.44 and 697,341.60 is: 962,658.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,738.72 : 1,665,865.44 = 697,341.60 : x
  2. Step 2: Convert to fraction form
    1,206,738.72/1,665,865.44 = 697,341.60/x
  3. Step 3: Cross multiply
    1,206,738.72x = 1,665,865.44 × 697,341.60
  4. Step 4: Simplify right side
    1,206,738.72x = 1,161,677,271,314.30
  5. Step 5: Solve for x
    x = 1,161,677,271,314.30/1,206,738.72
  6. Step 6: Final answer
    x = 962,658.49

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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.