Finding the Fourth Proportional to 993,209.36, 1,370,534.09 and 557,526.96
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Solution
The fourth proportional to 993,209.36, 1,370,534.09 and 557,526.96 is: 769,333.98
Step by Step Solution
- Step 1: Write the proportion equation
993,209.36 : 1,370,534.09 = 557,526.96 : x - Step 2: Convert to fraction form
993,209.36/1,370,534.09 = 557,526.96/x - Step 3: Cross multiply
993,209.36x = 1,370,534.09 × 557,526.96 - Step 4: Simplify right side
993,209.36x = 764,109,701,986.43 - Step 5: Solve for x
x = 764,109,701,986.43/993,209.36 - Step 6: Final answer
x = 769,333.98
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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.