Home / 704,109.20-1,056,163.80-325,029.20

Finding the Fourth Proportional to 704,109.20, 1,056,163.80 and 325,029.20

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Solution

The fourth proportional to 704,109.20, 1,056,163.80 and 325,029.20 is: 487,543.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,109.20 : 1,056,163.80 = 325,029.20 : x
  2. Step 2: Convert to fraction form
    704,109.20/1,056,163.80 = 325,029.20/x
  3. Step 3: Cross multiply
    704,109.20x = 1,056,163.80 × 325,029.20
  4. Step 4: Simplify right side
    704,109.20x = 343,284,074,982.96
  5. Step 5: Solve for x
    x = 343,284,074,982.96/704,109.20
  6. Step 6: Final answer
    x = 487,543.80

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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.