Finding the Fourth Proportional to 1,765,683.09, 2,436,474.20 and 991,136.52
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Solution
The fourth proportional to 1,765,683.09, 2,436,474.20 and 991,136.52 is: 1,367,673.83
Step by Step Solution
- Step 1: Write the proportion equation
1,765,683.09 : 2,436,474.20 = 991,136.52 : x - Step 2: Convert to fraction form
1,765,683.09/2,436,474.20 = 991,136.52/x - Step 3: Cross multiply
1,765,683.09x = 2,436,474.20 × 991,136.52 - Step 4: Simplify right side
1,765,683.09x = 2,414,878,554,702.10 - Step 5: Solve for x
x = 2,414,878,554,702.10/1,765,683.09 - Step 6: Final answer
x = 1,367,673.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.