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Finding the Fourth Proportional to 794,135.78, 1,095,903.78 and 431,552.78

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Solution

The fourth proportional to 794,135.78, 1,095,903.78 and 431,552.78 is: 595,540.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,135.78 : 1,095,903.78 = 431,552.78 : x
  2. Step 2: Convert to fraction form
    794,135.78/1,095,903.78 = 431,552.78/x
  3. Step 3: Cross multiply
    794,135.78x = 1,095,903.78 × 431,552.78
  4. Step 4: Simplify right side
    794,135.78x = 472,940,322,871.51
  5. Step 5: Solve for x
    x = 472,940,322,871.51/794,135.78
  6. Step 6: Final answer
    x = 595,540.88

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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.