Home / 681,367.70-1,021,675.35-316,231.22

Finding the Fourth Proportional to 681,367.70, 1,021,675.35 and 316,231.22

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Solution

The fourth proportional to 681,367.70, 1,021,675.35 and 316,231.22 is: 474,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,367.70 : 1,021,675.35 = 316,231.22 : x
  2. Step 2: Convert to fraction form
    681,367.70/1,021,675.35 = 316,231.22/x
  3. Step 3: Cross multiply
    681,367.70x = 1,021,675.35 × 316,231.22
  4. Step 4: Simplify right side
    681,367.70x = 323,085,642,374.43
  5. Step 5: Solve for x
    x = 323,085,642,374.43/681,367.70
  6. Step 6: Final answer
    x = 474,172.23

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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.