Finding the Fourth Proportional to 1,765,627.80, 2,436,397.95 and 991,081.23
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Solution
The fourth proportional to 1,765,627.80, 2,436,397.95 and 991,081.23 is: 1,367,597.56
Step by Step Solution
- Step 1: Write the proportion equation
1,765,627.80 : 2,436,397.95 = 991,081.23 : x - Step 2: Convert to fraction form
1,765,627.80/2,436,397.95 = 991,081.23/x - Step 3: Cross multiply
1,765,627.80x = 2,436,397.95 × 991,081.23 - Step 4: Simplify right side
1,765,627.80x = 2,414,668,277,055.48 - Step 5: Solve for x
x = 2,414,668,277,055.48/1,765,627.80 - Step 6: Final answer
x = 1,367,597.56
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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.