Home / 1,314,736.12-1,972,105.74-317,464.12

Finding the Fourth Proportional to 1,314,736.12, 1,972,105.74 and 317,464.12

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Solution

The fourth proportional to 1,314,736.12, 1,972,105.74 and 317,464.12 is: 476,196.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,736.12 : 1,972,105.74 = 317,464.12 : x
  2. Step 2: Convert to fraction form
    1,314,736.12/1,972,105.74 = 317,464.12/x
  3. Step 3: Cross multiply
    1,314,736.12x = 1,972,105.74 × 317,464.12
  4. Step 4: Simplify right side
    1,314,736.12x = 626,072,813,296.05
  5. Step 5: Solve for x
    x = 626,072,813,296.05/1,314,736.12
  6. Step 6: Final answer
    x = 476,196.56

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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.