Home / 936,825.40-1,405,092.30-262,840.60

Finding the Fourth Proportional to 936,825.40, 1,405,092.30 and 262,840.60

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Solution

The fourth proportional to 936,825.40, 1,405,092.30 and 262,840.60 is: 394,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,825.40 : 1,405,092.30 = 262,840.60 : x
  2. Step 2: Convert to fraction form
    936,825.40/1,405,092.30 = 262,840.60/x
  3. Step 3: Cross multiply
    936,825.40x = 1,405,092.30 × 262,840.60
  4. Step 4: Simplify right side
    936,825.40x = 369,315,303,187.38
  5. Step 5: Solve for x
    x = 369,315,303,187.38/936,825.40
  6. Step 6: Final answer
    x = 394,219.99

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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.