Finding the Fourth Proportional to 1,197,116.05, 1,652,055.20 and 653,286.88
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Solution
The fourth proportional to 1,197,116.05, 1,652,055.20 and 653,286.88 is: 901,555.02
Step by Step Solution
- Step 1: Write the proportion equation
1,197,116.05 : 1,652,055.20 = 653,286.88 : x - Step 2: Convert to fraction form
1,197,116.05/1,652,055.20 = 653,286.88/x - Step 3: Cross multiply
1,197,116.05x = 1,652,055.20 × 653,286.88 - Step 4: Simplify right side
1,197,116.05x = 1,079,265,987,195.78 - Step 5: Solve for x
x = 1,079,265,987,195.78/1,197,116.05 - Step 6: Final answer
x = 901,555.02
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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.