Finding the Fourth Proportional to 1,919,528.29, 2,879,830.53 and 840,134.91
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Solution
The fourth proportional to 1,919,528.29, 2,879,830.53 and 840,134.91 is: 1,260,437.88
Step by Step Solution
- Step 1: Write the proportion equation
1,919,528.29 : 2,879,830.53 = 840,134.91 : x - Step 2: Convert to fraction form
1,919,528.29/2,879,830.53 = 840,134.91/x - Step 3: Cross multiply
1,919,528.29x = 2,879,830.53 × 840,134.91 - Step 4: Simplify right side
1,919,528.29x = 2,419,446,173,936.17 - Step 5: Solve for x
x = 2,419,446,173,936.17/1,919,528.29 - Step 6: Final answer
x = 1,260,437.88
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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.