Home / 777,343.78-1,166,015.67-444,686.50

Finding the Fourth Proportional to 777,343.78, 1,166,015.67 and 444,686.50

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Solution

The fourth proportional to 777,343.78, 1,166,015.67 and 444,686.50 is: 667,029.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,343.78 : 1,166,015.67 = 444,686.50 : x
  2. Step 2: Convert to fraction form
    777,343.78/1,166,015.67 = 444,686.50/x
  3. Step 3: Cross multiply
    777,343.78x = 1,166,015.67 × 444,686.50
  4. Step 4: Simplify right side
    777,343.78x = 518,511,427,237.46
  5. Step 5: Solve for x
    x = 518,511,427,237.46/777,343.78
  6. Step 6: Final answer
    x = 667,029.75

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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.