Finding the Fourth Proportional to 1,186,964.17, 1,638,578.24 and 677,568.13
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Solution
The fourth proportional to 1,186,964.17, 1,638,578.24 and 677,568.13 is: 935,368.07
Step by Step Solution
- Step 1: Write the proportion equation
1,186,964.17 : 1,638,578.24 = 677,568.13 : x - Step 2: Convert to fraction form
1,186,964.17/1,638,578.24 = 677,568.13/x - Step 3: Cross multiply
1,186,964.17x = 1,638,578.24 × 677,568.13 - Step 4: Simplify right side
1,186,964.17x = 1,110,248,390,547.65 - Step 5: Solve for x
x = 1,110,248,390,547.65/1,186,964.17 - Step 6: Final answer
x = 935,368.07
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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.