Finding the Fourth Proportional to 1,416,517.39, 1,954,737.12 and 771,923.85
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Solution
The fourth proportional to 1,416,517.39, 1,954,737.12 and 771,923.85 is: 1,065,223.92
Step by Step Solution
- Step 1: Write the proportion equation
1,416,517.39 : 1,954,737.12 = 771,923.85 : x - Step 2: Convert to fraction form
1,416,517.39/1,954,737.12 = 771,923.85/x - Step 3: Cross multiply
1,416,517.39x = 1,954,737.12 × 771,923.85 - Step 4: Simplify right side
1,416,517.39x = 1,508,908,203,408.31 - Step 5: Solve for x
x = 1,508,908,203,408.31/1,416,517.39 - Step 6: Final answer
x = 1,065,223.92
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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.