Home / 681,958.58-1,021,609.26-415,057.10

Finding the Fourth Proportional to 681,958.58, 1,021,609.26 and 415,057.10

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Solution

The fourth proportional to 681,958.58, 1,021,609.26 and 415,057.10 is: 621,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,958.58 : 1,021,609.26 = 415,057.10 : x
  2. Step 2: Convert to fraction form
    681,958.58/1,021,609.26 = 415,057.10/x
  3. Step 3: Cross multiply
    681,958.58x = 1,021,609.26 × 415,057.10
  4. Step 4: Simplify right side
    681,958.58x = 424,026,171,680.70
  5. Step 5: Solve for x
    x = 424,026,171,680.70/681,958.58
  6. Step 6: Final answer
    x = 621,777.02

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1.5x scale

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.