Home / 538,504.93-743,107.93-296,739.37

Finding the Fourth Proportional to 538,504.93, 743,107.93 and 296,739.37

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Solution

The fourth proportional to 538,504.93, 743,107.93 and 296,739.37 is: 409,484.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,504.93 : 743,107.93 = 296,739.37 : x
  2. Step 2: Convert to fraction form
    538,504.93/743,107.93 = 296,739.37/x
  3. Step 3: Cross multiply
    538,504.93x = 743,107.93 × 296,739.37
  4. Step 4: Simplify right side
    538,504.93x = 220,509,378,990.20
  5. Step 5: Solve for x
    x = 220,509,378,990.20/538,504.93
  6. Step 6: Final answer
    x = 409,484.42

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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.