Home / 1,401,245.60-1,933,861.80-857,740.56

Finding the Fourth Proportional to 1,401,245.60, 1,933,861.80 and 857,740.56

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Solution

The fourth proportional to 1,401,245.60, 1,933,861.80 and 857,740.56 is: 1,183,769.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,245.60 : 1,933,861.80 = 857,740.56 : x
  2. Step 2: Convert to fraction form
    1,401,245.60/1,933,861.80 = 857,740.56/x
  3. Step 3: Cross multiply
    1,401,245.60x = 1,933,861.80 × 857,740.56
  4. Step 4: Simplify right side
    1,401,245.60x = 1,658,751,699,005.91
  5. Step 5: Solve for x
    x = 1,658,751,699,005.91/1,401,245.60
  6. Step 6: Final answer
    x = 1,183,769.43

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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.