Home / 777,631.26-1,166,446.90-186,655.26

Finding the Fourth Proportional to 777,631.26, 1,166,446.90 and 186,655.26

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Solution

The fourth proportional to 777,631.26, 1,166,446.90 and 186,655.26 is: 279,982.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,631.26 : 1,166,446.90 = 186,655.26 : x
  2. Step 2: Convert to fraction form
    777,631.26/1,166,446.90 = 186,655.26/x
  3. Step 3: Cross multiply
    777,631.26x = 1,166,446.90 × 186,655.26
  4. Step 4: Simplify right side
    777,631.26x = 217,723,449,395.69
  5. Step 5: Solve for x
    x = 217,723,449,395.69/777,631.26
  6. Step 6: Final answer
    x = 279,982.89

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Similar ratio
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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.