Home / 1,210,857.55-1,670,991.94-694,633.97

Finding the Fourth Proportional to 1,210,857.55, 1,670,991.94 and 694,633.97

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Solution

The fourth proportional to 1,210,857.55, 1,670,991.94 and 694,633.97 is: 958,599.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,857.55 : 1,670,991.94 = 694,633.97 : x
  2. Step 2: Convert to fraction form
    1,210,857.55/1,670,991.94 = 694,633.97/x
  3. Step 3: Cross multiply
    1,210,857.55x = 1,670,991.94 × 694,633.97
  4. Step 4: Simplify right side
    1,210,857.55x = 1,160,727,765,120.20
  5. Step 5: Solve for x
    x = 1,160,727,765,120.20/1,210,857.55
  6. Step 6: Final answer
    x = 958,599.77

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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.