Home / 547,191.37-755,438.21-417,108.61

Finding the Fourth Proportional to 547,191.37, 755,438.21 and 417,108.61

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Solution

The fourth proportional to 547,191.37, 755,438.21 and 417,108.61 is: 575,849.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,191.37 : 755,438.21 = 417,108.61 : x
  2. Step 2: Convert to fraction form
    547,191.37/755,438.21 = 417,108.61/x
  3. Step 3: Cross multiply
    547,191.37x = 755,438.21 × 417,108.61
  4. Step 4: Simplify right side
    547,191.37x = 315,099,781,713.99
  5. Step 5: Solve for x
    x = 315,099,781,713.99/547,191.37
  6. Step 6: Final answer
    x = 575,849.33

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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.