Home / 1,297,118.26-1,945,683.15-398,552.50

Finding the Fourth Proportional to 1,297,118.26, 1,945,683.15 and 398,552.50

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Solution

The fourth proportional to 1,297,118.26, 1,945,683.15 and 398,552.50 is: 597,830.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,118.26 : 1,945,683.15 = 398,552.50 : x
  2. Step 2: Convert to fraction form
    1,297,118.26/1,945,683.15 = 398,552.50/x
  3. Step 3: Cross multiply
    1,297,118.26x = 1,945,683.15 × 398,552.50
  4. Step 4: Simplify right side
    1,297,118.26x = 775,456,883,640.38
  5. Step 5: Solve for x
    x = 775,456,883,640.38/1,297,118.26
  6. Step 6: Final answer
    x = 597,830.52

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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.