Finding the Fourth Proportional to 1,419,515.84, 2,129,153.81 and 459,951.14
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Solution
The fourth proportional to 1,419,515.84, 2,129,153.81 and 459,951.14 is: 689,887.84
Step by Step Solution
- Step 1: Write the proportion equation
1,419,515.84 : 2,129,153.81 = 459,951.14 : x - Step 2: Convert to fraction form
1,419,515.84/2,129,153.81 = 459,951.14/x - Step 3: Cross multiply
1,419,515.84x = 2,129,153.81 × 459,951.14 - Step 4: Simplify right side
1,419,515.84x = 979,306,712,648.95 - Step 5: Solve for x
x = 979,306,712,648.95/1,419,515.84 - Step 6: Final answer
x = 689,887.84
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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.