Home / 945,483.92-1,306,190.64-619,571.44

Finding the Fourth Proportional to 945,483.92, 1,306,190.64 and 619,571.44

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Solution

The fourth proportional to 945,483.92, 1,306,190.64 and 619,571.44 is: 855,940.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,483.92 : 1,306,190.64 = 619,571.44 : x
  2. Step 2: Convert to fraction form
    945,483.92/1,306,190.64 = 619,571.44/x
  3. Step 3: Cross multiply
    945,483.92x = 1,306,190.64 × 619,571.44
  4. Step 4: Simplify right side
    945,483.92x = 809,278,415,739.32
  5. Step 5: Solve for x
    x = 809,278,415,739.32/945,483.92
  6. Step 6: Final answer
    x = 855,940.96

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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.