Home / 1,238,519-1,858,090.62-352,055

Finding the Fourth Proportional to 1,238,519, 1,858,090.62 and 352,055

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Solution

The fourth proportional to 1,238,519, 1,858,090.62 and 352,055 is: 528,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,519 : 1,858,090.62 = 352,055 : x
  2. Step 2: Convert to fraction form
    1,238,519/1,858,090.62 = 352,055/x
  3. Step 3: Cross multiply
    1,238,519x = 1,858,090.62 × 352,055
  4. Step 4: Simplify right side
    1,238,519x = 654,150,093,224.10
  5. Step 5: Solve for x
    x = 654,150,093,224.10/1,238,519
  6. Step 6: Final answer
    x = 528,171.22

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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.