Finding the Fourth Proportional to 826,862.30, 1,141,247.68 and 504,503.18
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Solution
The fourth proportional to 826,862.30, 1,141,247.68 and 504,503.18 is: 696,322.81
Step by Step Solution
- Step 1: Write the proportion equation
826,862.30 : 1,141,247.68 = 504,503.18 : x - Step 2: Convert to fraction form
826,862.30/1,141,247.68 = 504,503.18/x - Step 3: Cross multiply
826,862.30x = 1,141,247.68 × 504,503.18 - Step 4: Simplify right side
826,862.30x = 575,763,076,760.13 - Step 5: Solve for x
x = 575,763,076,760.13/826,862.30 - Step 6: Final answer
x = 696,322.81
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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.