Finding the Fourth Proportional to 1,185,562.47, 1,778,344.99 and 554,919.15
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Solution
The fourth proportional to 1,185,562.47, 1,778,344.99 and 554,919.15 is: 832,379.33
Step by Step Solution
- Step 1: Write the proportion equation
1,185,562.47 : 1,778,344.99 = 554,919.15 : x - Step 2: Convert to fraction form
1,185,562.47/1,778,344.99 = 554,919.15/x - Step 3: Cross multiply
1,185,562.47x = 1,778,344.99 × 554,919.15 - Step 4: Simplify right side
1,185,562.47x = 986,837,690,257.56 - Step 5: Solve for x
x = 986,837,690,257.56/1,185,562.47 - Step 6: Final answer
x = 832,379.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.