Home / 816,036.15-1,222,596.23-394,382.55

Finding the Fourth Proportional to 816,036.15, 1,222,596.23 and 394,382.55

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Solution

The fourth proportional to 816,036.15, 1,222,596.23 and 394,382.55 is: 590,869.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,036.15 : 1,222,596.23 = 394,382.55 : x
  2. Step 2: Convert to fraction form
    816,036.15/1,222,596.23 = 394,382.55/x
  3. Step 3: Cross multiply
    816,036.15x = 1,222,596.23 × 394,382.55
  4. Step 4: Simplify right side
    816,036.15x = 482,170,616,835.87
  5. Step 5: Solve for x
    x = 482,170,616,835.87/816,036.15
  6. Step 6: Final answer
    x = 590,869.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.