Finding the Fourth Proportional to 863,936.69, 1,294,854.26 and 611,290.13
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Solution
The fourth proportional to 863,936.69, 1,294,854.26 and 611,290.13 is: 916,191.70
Step by Step Solution
- Step 1: Write the proportion equation
863,936.69 : 1,294,854.26 = 611,290.13 : x - Step 2: Convert to fraction form
863,936.69/1,294,854.26 = 611,290.13/x - Step 3: Cross multiply
863,936.69x = 1,294,854.26 × 611,290.13 - Step 4: Simplify right side
863,936.69x = 791,531,619,395.73 - Step 5: Solve for x
x = 791,531,619,395.73/863,936.69 - Step 6: Final answer
x = 916,191.70
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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.