Finding the Fourth Proportional to 1,127,918.78, 1,556,539.95 and 611,673.62
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Solution
The fourth proportional to 1,127,918.78, 1,556,539.95 and 611,673.62 is: 844,116.12
Step by Step Solution
- Step 1: Write the proportion equation
1,127,918.78 : 1,556,539.95 = 611,673.62 : x - Step 2: Convert to fraction form
1,127,918.78/1,556,539.95 = 611,673.62/x - Step 3: Cross multiply
1,127,918.78x = 1,556,539.95 × 611,673.62 - Step 4: Simplify right side
1,127,918.78x = 952,094,425,891.12 - Step 5: Solve for x
x = 952,094,425,891.12/1,127,918.78 - Step 6: Final answer
x = 844,116.12
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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.