Home / 986,736.67-1,361,735.72-557,031.67

Finding the Fourth Proportional to 986,736.67, 1,361,735.72 and 557,031.67

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Solution

The fourth proportional to 986,736.67, 1,361,735.72 and 557,031.67 is: 768,725.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,736.67 : 1,361,735.72 = 557,031.67 : x
  2. Step 2: Convert to fraction form
    986,736.67/1,361,735.72 = 557,031.67/x
  3. Step 3: Cross multiply
    986,736.67x = 1,361,735.72 × 557,031.67
  4. Step 4: Simplify right side
    986,736.67x = 758,529,918,109.62
  5. Step 5: Solve for x
    x = 758,529,918,109.62/986,736.67
  6. Step 6: Final answer
    x = 768,725.78

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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.