Finding the Fourth Proportional to 1,326,197.26, 1,990,067.81 and 557,639.37
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Solution
The fourth proportional to 1,326,197.26, 1,990,067.81 and 557,639.37 is: 836,783.63
Step by Step Solution
- Step 1: Write the proportion equation
1,326,197.26 : 1,990,067.81 = 557,639.37 : x - Step 2: Convert to fraction form
1,326,197.26/1,990,067.81 = 557,639.37/x - Step 3: Cross multiply
1,326,197.26x = 1,990,067.81 × 557,639.37 - Step 4: Simplify right side
1,326,197.26x = 1,109,740,159,825.68 - Step 5: Solve for x
x = 1,109,740,159,825.68/1,326,197.26 - Step 6: Final answer
x = 836,783.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.