Home / 949,091.07-1,309,745.72-519,371.22

Finding the Fourth Proportional to 949,091.07, 1,309,745.72 and 519,371.22

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Solution

The fourth proportional to 949,091.07, 1,309,745.72 and 519,371.22 is: 716,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,091.07 : 1,309,745.72 = 519,371.22 : x
  2. Step 2: Convert to fraction form
    949,091.07/1,309,745.72 = 519,371.22/x
  3. Step 3: Cross multiply
    949,091.07x = 1,309,745.72 × 519,371.22
  4. Step 4: Simplify right side
    949,091.07x = 680,244,229,889.32
  5. Step 5: Solve for x
    x = 680,244,229,889.32/949,091.07
  6. Step 6: Final answer
    x = 716,732.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.