Home / 777,935.20-1,166,902.80-186,959.20

Finding the Fourth Proportional to 777,935.20, 1,166,902.80 and 186,959.20

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Solution

The fourth proportional to 777,935.20, 1,166,902.80 and 186,959.20 is: 280,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,935.20 : 1,166,902.80 = 186,959.20 : x
  2. Step 2: Convert to fraction form
    777,935.20/1,166,902.80 = 186,959.20/x
  3. Step 3: Cross multiply
    777,935.20x = 1,166,902.80 × 186,959.20
  4. Step 4: Simplify right side
    777,935.20x = 218,163,213,965.76
  5. Step 5: Solve for x
    x = 218,163,213,965.76/777,935.20
  6. Step 6: Final answer
    x = 280,438.80

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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.