Finding the Fourth Proportional to 894,087.05, 1,233,854.78 and 486,196.97
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Solution
The fourth proportional to 894,087.05, 1,233,854.78 and 486,196.97 is: 670,959.78
Step by Step Solution
- Step 1: Write the proportion equation
894,087.05 : 1,233,854.78 = 486,196.97 : x - Step 2: Convert to fraction form
894,087.05/1,233,854.78 = 486,196.97/x - Step 3: Cross multiply
894,087.05x = 1,233,854.78 × 486,196.97 - Step 4: Simplify right side
894,087.05x = 599,896,446,855.76 - Step 5: Solve for x
x = 599,896,446,855.76/894,087.05 - Step 6: Final answer
x = 670,959.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.