Finding the Fourth Proportional to 1,257,743.05, 1,735,728.11 and 706,556.02
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Solution
The fourth proportional to 1,257,743.05, 1,735,728.11 and 706,556.02 is: 975,071.30
Step by Step Solution
- Step 1: Write the proportion equation
1,257,743.05 : 1,735,728.11 = 706,556.02 : x - Step 2: Convert to fraction form
1,257,743.05/1,735,728.11 = 706,556.02/x - Step 3: Cross multiply
1,257,743.05x = 1,735,728.11 × 706,556.02 - Step 4: Simplify right side
1,257,743.05x = 1,226,389,145,203.72 - Step 5: Solve for x
x = 1,226,389,145,203.72/1,257,743.05 - Step 6: Final answer
x = 975,071.30
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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.