Home / 782,516.21-1,173,942.64-242,761.64

Finding the Fourth Proportional to 782,516.21, 1,173,942.64 and 242,761.64

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Solution

The fourth proportional to 782,516.21, 1,173,942.64 and 242,761.64 is: 364,194.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,516.21 : 1,173,942.64 = 242,761.64 : x
  2. Step 2: Convert to fraction form
    782,516.21/1,173,942.64 = 242,761.64/x
  3. Step 3: Cross multiply
    782,516.21x = 1,173,942.64 × 242,761.64
  4. Step 4: Simplify right side
    782,516.21x = 284,988,234,986.07
  5. Step 5: Solve for x
    x = 284,988,234,986.07/782,516.21
  6. Step 6: Final answer
    x = 364,194.68

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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.