Finding the Fourth Proportional to 993,842.76, 1,371,812.58 and 564,408.84
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Solution
The fourth proportional to 993,842.76, 1,371,812.58 and 564,408.84 is: 779,060.01
Step by Step Solution
- Step 1: Write the proportion equation
993,842.76 : 1,371,812.58 = 564,408.84 : x - Step 2: Convert to fraction form
993,842.76/1,371,812.58 = 564,408.84/x - Step 3: Cross multiply
993,842.76x = 1,371,812.58 × 564,408.84 - Step 4: Simplify right side
993,842.76x = 774,263,146,975.21 - Step 5: Solve for x
x = 774,263,146,975.21/993,842.76 - Step 6: Final answer
x = 779,060.01
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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.