Finding the Fourth Proportional to 1,175,616.36, 1,622,384.10 and 716,757.48
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Solution
The fourth proportional to 1,175,616.36, 1,622,384.10 and 716,757.48 is: 989,145.76
Step by Step Solution
- Step 1: Write the proportion equation
1,175,616.36 : 1,622,384.10 = 716,757.48 : x - Step 2: Convert to fraction form
1,175,616.36/1,622,384.10 = 716,757.48/x - Step 3: Cross multiply
1,175,616.36x = 1,622,384.10 × 716,757.48 - Step 4: Simplify right side
1,175,616.36x = 1,162,855,939,108.07 - Step 5: Solve for x
x = 1,162,855,939,108.07/1,175,616.36 - Step 6: Final answer
x = 989,145.76
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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.