Home / 776,144.25-1,164,221.64-296,242.65

Finding the Fourth Proportional to 776,144.25, 1,164,221.64 and 296,242.65

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Solution

The fourth proportional to 776,144.25, 1,164,221.64 and 296,242.65 is: 444,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,144.25 : 1,164,221.64 = 296,242.65 : x
  2. Step 2: Convert to fraction form
    776,144.25/1,164,221.64 = 296,242.65/x
  3. Step 3: Cross multiply
    776,144.25x = 1,164,221.64 × 296,242.65
  4. Step 4: Simplify right side
    776,144.25x = 344,892,103,820.95
  5. Step 5: Solve for x
    x = 344,892,103,820.95/776,144.25
  6. Step 6: Final answer
    x = 444,365.98

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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.