Home / 971,192.80-1,340,183.37-541,447.30

Finding the Fourth Proportional to 971,192.80, 1,340,183.37 and 541,447.30

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Solution

The fourth proportional to 971,192.80, 1,340,183.37 and 541,447.30 is: 747,162.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,192.80 : 1,340,183.37 = 541,447.30 : x
  2. Step 2: Convert to fraction form
    971,192.80/1,340,183.37 = 541,447.30/x
  3. Step 3: Cross multiply
    971,192.80x = 1,340,183.37 × 541,447.30
  4. Step 4: Simplify right side
    971,192.80x = 725,638,667,191.40
  5. Step 5: Solve for x
    x = 725,638,667,191.40/971,192.80
  6. Step 6: Final answer
    x = 747,162.32

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1.5x scale

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.