Finding the Fourth Proportional to 734,110.20, 1,101,165.30 and 521,533.80
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Solution
The fourth proportional to 734,110.20, 1,101,165.30 and 521,533.80 is: 782,300.70
Step by Step Solution
- Step 1: Write the proportion equation
734,110.20 : 1,101,165.30 = 521,533.80 : x - Step 2: Convert to fraction form
734,110.20/1,101,165.30 = 521,533.80/x - Step 3: Cross multiply
734,110.20x = 1,101,165.30 × 521,533.80 - Step 4: Simplify right side
734,110.20x = 574,294,923,337.14 - Step 5: Solve for x
x = 574,294,923,337.14/734,110.20 - Step 6: Final answer
x = 782,300.70
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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.