Finding the Fourth Proportional to 986,605.53, 1,361,516.84 and 533,896.53
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Solution
The fourth proportional to 986,605.53, 1,361,516.84 and 533,896.53 is: 736,777.87
Step by Step Solution
- Step 1: Write the proportion equation
986,605.53 : 1,361,516.84 = 533,896.53 : x - Step 2: Convert to fraction form
986,605.53/1,361,516.84 = 533,896.53/x - Step 3: Cross multiply
986,605.53x = 1,361,516.84 × 533,896.53 - Step 4: Simplify right side
986,605.53x = 726,909,116,412.57 - Step 5: Solve for x
x = 726,909,116,412.57/986,605.53 - Step 6: Final answer
x = 736,777.87
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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.