Finding the Fourth Proportional to 738,092.44, 1,018,757.58 and 480,612.07
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Solution
The fourth proportional to 738,092.44, 1,018,757.58 and 480,612.07 is: 663,368.38
Step by Step Solution
- Step 1: Write the proportion equation
738,092.44 : 1,018,757.58 = 480,612.07 : x - Step 2: Convert to fraction form
738,092.44/1,018,757.58 = 480,612.07/x - Step 3: Cross multiply
738,092.44x = 1,018,757.58 × 480,612.07 - Step 4: Simplify right side
738,092.44x = 489,627,189,351.99 - Step 5: Solve for x
x = 489,627,189,351.99/738,092.44 - Step 6: Final answer
x = 663,368.38
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1.5x scale
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.