Finding the Fourth Proportional to 1,312,916.37, 1,969,584.79 and 554,765.28
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Solution
The fourth proportional to 1,312,916.37, 1,969,584.79 and 554,765.28 is: 832,236.75
Step by Step Solution
- Step 1: Write the proportion equation
1,312,916.37 : 1,969,584.79 = 554,765.28 : x - Step 2: Convert to fraction form
1,312,916.37/1,969,584.79 = 554,765.28/x - Step 3: Cross multiply
1,312,916.37x = 1,969,584.79 × 554,765.28 - Step 4: Simplify right side
1,312,916.37x = 1,092,657,257,508.09 - Step 5: Solve for x
x = 1,092,657,257,508.09/1,312,916.37 - Step 6: Final answer
x = 832,236.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.