Finding the Fourth Proportional to 1,177,956.99, 1,625,403.57 and 661,611.93
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Solution
The fourth proportional to 1,177,956.99, 1,625,403.57 and 661,611.93 is: 912,925.00
Step by Step Solution
- Step 1: Write the proportion equation
1,177,956.99 : 1,625,403.57 = 661,611.93 : x - Step 2: Convert to fraction form
1,177,956.99/1,625,403.57 = 661,611.93/x - Step 3: Cross multiply
1,177,956.99x = 1,625,403.57 × 661,611.93 - Step 4: Simplify right side
1,177,956.99x = 1,075,386,392,976.59 - Step 5: Solve for x
x = 1,075,386,392,976.59/1,177,956.99 - Step 6: Final answer
x = 912,925.00
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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.