Finding the Fourth Proportional to 1,243,398.28, 1,715,839.62 and 699,544.84
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Solution
The fourth proportional to 1,243,398.28, 1,715,839.62 and 699,544.84 is: 965,343.75
Step by Step Solution
- Step 1: Write the proportion equation
1,243,398.28 : 1,715,839.62 = 699,544.84 : x - Step 2: Convert to fraction form
1,243,398.28/1,715,839.62 = 699,544.84/x - Step 3: Cross multiply
1,243,398.28x = 1,715,839.62 × 699,544.84 - Step 4: Simplify right side
1,243,398.28x = 1,200,306,752,438.56 - Step 5: Solve for x
x = 1,200,306,752,438.56/1,243,398.28 - Step 6: Final answer
x = 965,343.75
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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.