Finding the Fourth Proportional to 986,661.09, 1,361,593.67 and 533,952.09
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Solution
The fourth proportional to 986,661.09, 1,361,593.67 and 533,952.09 is: 736,854.62
Step by Step Solution
- Step 1: Write the proportion equation
986,661.09 : 1,361,593.67 = 533,952.09 : x - Step 2: Convert to fraction form
986,661.09/1,361,593.67 = 533,952.09/x - Step 3: Cross multiply
986,661.09x = 1,361,593.67 × 533,952.09 - Step 4: Simplify right side
986,661.09x = 727,025,783,157.51 - Step 5: Solve for x
x = 727,025,783,157.51/986,661.09 - Step 6: Final answer
x = 736,854.62
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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.