Home / 777,342.78-1,166,014.17-444,685.50

Finding the Fourth Proportional to 777,342.78, 1,166,014.17 and 444,685.50

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Solution

The fourth proportional to 777,342.78, 1,166,014.17 and 444,685.50 is: 667,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,342.78 : 1,166,014.17 = 444,685.50 : x
  2. Step 2: Convert to fraction form
    777,342.78/1,166,014.17 = 444,685.50/x
  3. Step 3: Cross multiply
    777,342.78x = 1,166,014.17 × 444,685.50
  4. Step 4: Simplify right side
    777,342.78x = 518,509,594,193.54
  5. Step 5: Solve for x
    x = 518,509,594,193.54/777,342.78
  6. Step 6: Final answer
    x = 667,028.25

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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.