Home / 843,908.32-1,163,199.85-628,969.96

Finding the Fourth Proportional to 843,908.32, 1,163,199.85 and 628,969.96

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Solution

The fourth proportional to 843,908.32, 1,163,199.85 and 628,969.96 is: 866,939.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,908.32 : 1,163,199.85 = 628,969.96 : x
  2. Step 2: Convert to fraction form
    843,908.32/1,163,199.85 = 628,969.96/x
  3. Step 3: Cross multiply
    843,908.32x = 1,163,199.85 × 628,969.96
  4. Step 4: Simplify right side
    843,908.32x = 731,617,763,126.51
  5. Step 5: Solve for x
    x = 731,617,763,126.51/843,908.32
  6. Step 6: Final answer
    x = 866,939.86

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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.