Finding the Fourth Proportional to 783,916.20, 1,174,124.70 and 605,845.80
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Solution
The fourth proportional to 783,916.20, 1,174,124.70 and 605,845.80 is: 907,416.53
Step by Step Solution
- Step 1: Write the proportion equation
783,916.20 : 1,174,124.70 = 605,845.80 : x - Step 2: Convert to fraction form
783,916.20/1,174,124.70 = 605,845.80/x - Step 3: Cross multiply
783,916.20x = 1,174,124.70 × 605,845.80 - Step 4: Simplify right side
783,916.20x = 711,338,518,171.26 - Step 5: Solve for x
x = 711,338,518,171.26/783,916.20 - Step 6: Final answer
x = 907,416.53
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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.