Home / 792,291.86-1,093,387.52-448,121.06

Finding the Fourth Proportional to 792,291.86, 1,093,387.52 and 448,121.06

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Solution

The fourth proportional to 792,291.86, 1,093,387.52 and 448,121.06 is: 618,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,291.86 : 1,093,387.52 = 448,121.06 : x
  2. Step 2: Convert to fraction form
    792,291.86/1,093,387.52 = 448,121.06/x
  3. Step 3: Cross multiply
    792,291.86x = 1,093,387.52 × 448,121.06
  4. Step 4: Simplify right side
    792,291.86x = 489,969,966,745.63
  5. Step 5: Solve for x
    x = 489,969,966,745.63/792,291.86
  6. Step 6: Final answer
    x = 618,421.05

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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.