Finding the Fourth Proportional to 1,811,355.39, 2,716,866.50 and 613,140.75
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Solution
The fourth proportional to 1,811,355.39, 2,716,866.50 and 613,140.75 is: 919,654.73
Step by Step Solution
- Step 1: Write the proportion equation
1,811,355.39 : 2,716,866.50 = 613,140.75 : x - Step 2: Convert to fraction form
1,811,355.39/2,716,866.50 = 613,140.75/x - Step 3: Cross multiply
1,811,355.39x = 2,716,866.50 × 613,140.75 - Step 4: Simplify right side
1,811,355.39x = 1,665,821,560,394.17 - Step 5: Solve for x
x = 1,665,821,560,394.17/1,811,355.39 - Step 6: Final answer
x = 919,654.73
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.