Home / 438,942.24-605,743.20-237,738.24

Finding the Fourth Proportional to 438,942.24, 605,743.20 and 237,738.24

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Solution

The fourth proportional to 438,942.24, 605,743.20 and 237,738.24 is: 328,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,942.24 : 605,743.20 = 237,738.24 : x
  2. Step 2: Convert to fraction form
    438,942.24/605,743.20 = 237,738.24/x
  3. Step 3: Cross multiply
    438,942.24x = 605,743.20 × 237,738.24
  4. Step 4: Simplify right side
    438,942.24x = 144,008,322,259.97
  5. Step 5: Solve for x
    x = 144,008,322,259.97/438,942.24
  6. Step 6: Final answer
    x = 328,080.35

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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.