Finding the Fourth Proportional to 1,257,536.54, 1,735,400.70 and 684,576.56
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Solution
The fourth proportional to 1,257,536.54, 1,735,400.70 and 684,576.56 is: 944,715.80
Step by Step Solution
- Step 1: Write the proportion equation
1,257,536.54 : 1,735,400.70 = 684,576.56 : x - Step 2: Convert to fraction form
1,257,536.54/1,735,400.70 = 684,576.56/x - Step 3: Cross multiply
1,257,536.54x = 1,735,400.70 × 684,576.56 - Step 4: Simplify right side
1,257,536.54x = 1,188,014,645,766.09 - Step 5: Solve for x
x = 1,188,014,645,766.09/1,257,536.54 - Step 6: Final answer
x = 944,715.80
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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.