Finding the Fourth Proportional to 1,177,781.44, 1,625,378.34 and 661,626.40
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Solution
The fourth proportional to 1,177,781.44, 1,625,378.34 and 661,626.40 is: 913,066.88
Step by Step Solution
- Step 1: Write the proportion equation
1,177,781.44 : 1,625,378.34 = 661,626.40 : x - Step 2: Convert to fraction form
1,177,781.44/1,625,378.34 = 661,626.40/x - Step 3: Cross multiply
1,177,781.44x = 1,625,378.34 × 661,626.40 - Step 4: Simplify right side
1,177,781.44x = 1,075,393,219,732.18 - Step 5: Solve for x
x = 1,075,393,219,732.18/1,177,781.44 - Step 6: Final answer
x = 913,066.88
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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.