Finding the Fourth Proportional to 994,109.89, 1,371,910.49 and 564,430
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Solution
The fourth proportional to 994,109.89, 1,371,910.49 and 564,430 is: 778,935.45
Step by Step Solution
- Step 1: Write the proportion equation
994,109.89 : 1,371,910.49 = 564,430 : x - Step 2: Convert to fraction form
994,109.89/1,371,910.49 = 564,430/x - Step 3: Cross multiply
994,109.89x = 1,371,910.49 × 564,430 - Step 4: Simplify right side
994,109.89x = 774,347,437,870.70 - Step 5: Solve for x
x = 774,347,437,870.70/994,109.89 - Step 6: Final answer
x = 778,935.45
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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.