Finding the Fourth Proportional to 1,257,605.97, 1,735,201.13 and 713,618.61
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Solution
The fourth proportional to 1,257,605.97, 1,735,201.13 and 713,618.61 is: 984,626.22
Step by Step Solution
- Step 1: Write the proportion equation
1,257,605.97 : 1,735,201.13 = 713,618.61 : x - Step 2: Convert to fraction form
1,257,605.97/1,735,201.13 = 713,618.61/x - Step 3: Cross multiply
1,257,605.97x = 1,735,201.13 × 713,618.61 - Step 4: Simplify right side
1,257,605.97x = 1,238,271,818,461.03 - Step 5: Solve for x
x = 1,238,271,818,461.03/1,257,605.97 - Step 6: Final answer
x = 984,626.22
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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.