Finding the Fourth Proportional to 896,122.76, 1,235,818.80 and 654,021.88
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Solution
The fourth proportional to 896,122.76, 1,235,818.80 and 654,021.88 is: 901,943.99
Step by Step Solution
- Step 1: Write the proportion equation
896,122.76 : 1,235,818.80 = 654,021.88 : x - Step 2: Convert to fraction form
896,122.76/1,235,818.80 = 654,021.88/x - Step 3: Cross multiply
896,122.76x = 1,235,818.80 × 654,021.88 - Step 4: Simplify right side
896,122.76x = 808,252,534,915.34 - Step 5: Solve for x
x = 808,252,534,915.34/896,122.76 - Step 6: Final answer
x = 901,943.99
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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.