Finding the Fourth Proportional to 1,586,398.99, 2,189,230.65 and 861,245.68
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Solution
The fourth proportional to 1,586,398.99, 2,189,230.65 and 861,245.68 is: 1,188,519.06
Step by Step Solution
- Step 1: Write the proportion equation
1,586,398.99 : 2,189,230.65 = 861,245.68 : x - Step 2: Convert to fraction form
1,586,398.99/2,189,230.65 = 861,245.68/x - Step 3: Cross multiply
1,586,398.99x = 2,189,230.65 × 861,245.68 - Step 4: Simplify right side
1,586,398.99x = 1,885,465,439,836.09 - Step 5: Solve for x
x = 1,885,465,439,836.09/1,586,398.99 - Step 6: Final answer
x = 1,188,519.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.