Home / 777,928.80-1,166,893.20-186,952.80

Finding the Fourth Proportional to 777,928.80, 1,166,893.20 and 186,952.80

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Solution

The fourth proportional to 777,928.80, 1,166,893.20 and 186,952.80 is: 280,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,928.80 : 1,166,893.20 = 186,952.80 : x
  2. Step 2: Convert to fraction form
    777,928.80/1,166,893.20 = 186,952.80/x
  3. Step 3: Cross multiply
    777,928.80x = 1,166,893.20 × 186,952.80
  4. Step 4: Simplify right side
    777,928.80x = 218,153,951,040.96
  5. Step 5: Solve for x
    x = 218,153,951,040.96/777,928.80
  6. Step 6: Final answer
    x = 280,429.20

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Double scale
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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.