Finding the Fourth Proportional to 984,463.88, 1,358,560.35 and 531,754.88
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Solution
The fourth proportional to 984,463.88, 1,358,560.35 and 531,754.88 is: 733,821.84
Step by Step Solution
- Step 1: Write the proportion equation
984,463.88 : 1,358,560.35 = 531,754.88 : x - Step 2: Convert to fraction form
984,463.88/1,358,560.35 = 531,754.88/x - Step 3: Cross multiply
984,463.88x = 1,358,560.35 × 531,754.88 - Step 4: Simplify right side
984,463.88x = 722,421,089,094.21 - Step 5: Solve for x
x = 722,421,089,094.21/984,463.88 - Step 6: Final answer
x = 733,821.84
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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.