Finding the Fourth Proportional to 1,257,717.39, 1,735,806.84 and 714,029.19
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Solution
The fourth proportional to 1,257,717.39, 1,735,806.84 and 714,029.19 is: 985,449.32
Step by Step Solution
- Step 1: Write the proportion equation
1,257,717.39 : 1,735,806.84 = 714,029.19 : x - Step 2: Convert to fraction form
1,257,717.39/1,735,806.84 = 714,029.19/x - Step 3: Cross multiply
1,257,717.39x = 1,735,806.84 × 714,029.19 - Step 4: Simplify right side
1,257,717.39x = 1,239,416,751,961.66 - Step 5: Solve for x
x = 1,239,416,751,961.66/1,257,717.39 - Step 6: Final answer
x = 985,449.32
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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.