Home / 1,315,183.66-1,972,609.17-416,716.54

Finding the Fourth Proportional to 1,315,183.66, 1,972,609.17 and 416,716.54

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Solution

The fourth proportional to 1,315,183.66, 1,972,609.17 and 416,716.54 is: 625,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,183.66 : 1,972,609.17 = 416,716.54 : x
  2. Step 2: Convert to fraction form
    1,315,183.66/1,972,609.17 = 416,716.54/x
  3. Step 3: Cross multiply
    1,315,183.66x = 1,972,609.17 × 416,716.54
  4. Step 4: Simplify right side
    1,315,183.66x = 822,018,868,094.67
  5. Step 5: Solve for x
    x = 822,018,868,094.67/1,315,183.66
  6. Step 6: Final answer
    x = 625,022.11

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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.