Finding the Fourth Proportional to 835,915.48, 1,153,553.20 and 453,944.99
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Solution
The fourth proportional to 835,915.48, 1,153,553.20 and 453,944.99 is: 626,438.57
Step by Step Solution
- Step 1: Write the proportion equation
835,915.48 : 1,153,553.20 = 453,944.99 : x - Step 2: Convert to fraction form
835,915.48/1,153,553.20 = 453,944.99/x - Step 3: Cross multiply
835,915.48x = 1,153,553.20 × 453,944.99 - Step 4: Simplify right side
835,915.48x = 523,649,697,587.49 - Step 5: Solve for x
x = 523,649,697,587.49/835,915.48 - Step 6: Final answer
x = 626,438.57
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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.