Finding the Fourth Proportional to 1,227,519.36, 1,693,923.84 and 887,397.12
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Solution
The fourth proportional to 1,227,519.36, 1,693,923.84 and 887,397.12 is: 1,224,569.80
Step by Step Solution
- Step 1: Write the proportion equation
1,227,519.36 : 1,693,923.84 = 887,397.12 : x - Step 2: Convert to fraction form
1,227,519.36/1,693,923.84 = 887,397.12/x - Step 3: Cross multiply
1,227,519.36x = 1,693,923.84 × 887,397.12 - Step 4: Simplify right side
1,227,519.36x = 1,503,183,137,115.34 - Step 5: Solve for x
x = 1,503,183,137,115.34/1,227,519.36 - Step 6: Final answer
x = 1,224,569.80
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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.