Finding the Fourth Proportional to 1,806,943.95, 2,708,355.29 and 858,971.79
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Solution
The fourth proportional to 1,806,943.95, 2,708,355.29 and 858,971.79 is: 1,287,478.11
Step by Step Solution
- Step 1: Write the proportion equation
1,806,943.95 : 2,708,355.29 = 858,971.79 : x - Step 2: Convert to fraction form
1,806,943.95/2,708,355.29 = 858,971.79/x - Step 3: Cross multiply
1,806,943.95x = 2,708,355.29 × 858,971.79 - Step 4: Simplify right side
1,806,943.95x = 2,326,400,787,112.41 - Step 5: Solve for x
x = 2,326,400,787,112.41/1,806,943.95 - Step 6: Final answer
x = 1,287,478.11
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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.