Finding the Fourth Proportional to 1,838,643.09, 2,757,964.64 and 576,569.13
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Solution
The fourth proportional to 1,838,643.09, 2,757,964.64 and 576,569.13 is: 864,853.70
Step by Step Solution
- Step 1: Write the proportion equation
1,838,643.09 : 2,757,964.64 = 576,569.13 : x - Step 2: Convert to fraction form
1,838,643.09/2,757,964.64 = 576,569.13/x - Step 3: Cross multiply
1,838,643.09x = 2,757,964.64 × 576,569.13 - Step 4: Simplify right side
1,838,643.09x = 1,590,157,273,055.56 - Step 5: Solve for x
x = 1,590,157,273,055.56/1,838,643.09 - Step 6: Final answer
x = 864,853.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.