Home / 928,550.27-1,392,825.86-612,933.41

Finding the Fourth Proportional to 928,550.27, 1,392,825.86 and 612,933.41

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Solution

The fourth proportional to 928,550.27, 1,392,825.86 and 612,933.41 is: 919,400.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,550.27 : 1,392,825.86 = 612,933.41 : x
  2. Step 2: Convert to fraction form
    928,550.27/1,392,825.86 = 612,933.41/x
  3. Step 3: Cross multiply
    928,550.27x = 1,392,825.86 × 612,933.41
  4. Step 4: Simplify right side
    928,550.27x = 853,709,503,905.98
  5. Step 5: Solve for x
    x = 853,709,503,905.98/928,550.27
  6. Step 6: Final answer
    x = 919,400.42

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1.5x scale

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.