Home / 892,216.32-1,231,243.20-489,805.44

Finding the Fourth Proportional to 892,216.32, 1,231,243.20 and 489,805.44

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Solution

The fourth proportional to 892,216.32, 1,231,243.20 and 489,805.44 is: 675,923.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,216.32 : 1,231,243.20 = 489,805.44 : x
  2. Step 2: Convert to fraction form
    892,216.32/1,231,243.20 = 489,805.44/x
  3. Step 3: Cross multiply
    892,216.32x = 1,231,243.20 × 489,805.44
  4. Step 4: Simplify right side
    892,216.32x = 603,069,617,323.01
  5. Step 5: Solve for x
    x = 603,069,617,323.01/892,216.32
  6. Step 6: Final answer
    x = 675,923.10

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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.