Finding the Fourth Proportional to 1,161,817.84, 1,603,433.55 and 703,184.81
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Solution
The fourth proportional to 1,161,817.84, 1,603,433.55 and 703,184.81 is: 970,470.65
Step by Step Solution
- Step 1: Write the proportion equation
1,161,817.84 : 1,603,433.55 = 703,184.81 : x - Step 2: Convert to fraction form
1,161,817.84/1,603,433.55 = 703,184.81/x - Step 3: Cross multiply
1,161,817.84x = 1,603,433.55 × 703,184.81 - Step 4: Simplify right side
1,161,817.84x = 1,127,510,116,204.38 - Step 5: Solve for x
x = 1,127,510,116,204.38/1,161,817.84 - Step 6: Final answer
x = 970,470.65
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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.