Finding the Fourth Proportional to 927,353.91, 1,282,565.84 and 831,825.75
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Solution
The fourth proportional to 927,353.91, 1,282,565.84 and 831,825.75 is: 1,150,446.75
Step by Step Solution
- Step 1: Write the proportion equation
927,353.91 : 1,282,565.84 = 831,825.75 : x - Step 2: Convert to fraction form
927,353.91/1,282,565.84 = 831,825.75/x - Step 3: Cross multiply
927,353.91x = 1,282,565.84 × 831,825.75 - Step 4: Simplify right side
927,353.91x = 1,066,871,287,623.25 - Step 5: Solve for x
x = 1,066,871,287,623.25/927,353.91 - Step 6: Final answer
x = 1,150,446.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.