Home / 741,932.64-1,023,890.22-419,636.43

Finding the Fourth Proportional to 741,932.64, 1,023,890.22 and 419,636.43

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Solution

The fourth proportional to 741,932.64, 1,023,890.22 and 419,636.43 is: 579,111.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,932.64 : 1,023,890.22 = 419,636.43 : x
  2. Step 2: Convert to fraction form
    741,932.64/1,023,890.22 = 419,636.43/x
  3. Step 3: Cross multiply
    741,932.64x = 1,023,890.22 × 419,636.43
  4. Step 4: Simplify right side
    741,932.64x = 429,661,636,632.72
  5. Step 5: Solve for x
    x = 429,661,636,632.72/741,932.64
  6. Step 6: Final answer
    x = 579,111.38

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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.