Finding the Fourth Proportional to 1,921,323.48, 2,882,982.12 and 856,117.79
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Solution
The fourth proportional to 1,921,323.48, 2,882,982.12 and 856,117.79 is: 1,284,620.88
Step by Step Solution
- Step 1: Write the proportion equation
1,921,323.48 : 2,882,982.12 = 856,117.79 : x - Step 2: Convert to fraction form
1,921,323.48/2,882,982.12 = 856,117.79/x - Step 3: Cross multiply
1,921,323.48x = 2,882,982.12 × 856,117.79 - Step 4: Simplify right side
1,921,323.48x = 2,468,172,266,769.00 - Step 5: Solve for x
x = 2,468,172,266,769.00/1,921,323.48 - Step 6: Final answer
x = 1,284,620.88
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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.