Finding the Fourth Proportional to 1,394,712, 2,092,824 and 1,079,784
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Solution
The fourth proportional to 1,394,712, 2,092,824 and 1,079,784 is: 1,620,261.29
Step by Step Solution
- Step 1: Write the proportion equation
1,394,712 : 2,092,824 = 1,079,784 : x - Step 2: Convert to fraction form
1,394,712/2,092,824 = 1,079,784/x - Step 3: Cross multiply
1,394,712x = 2,092,824 × 1,079,784 - Step 4: Simplify right side
1,394,712x = 2,259,797,870,016 - Step 5: Solve for x
x = 2,259,797,870,016/1,394,712 - Step 6: Final answer
x = 1,620,261.29
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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.