Finding the Fourth Proportional to 861,952.60, 1,188,924.61 and 539,102.19
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Solution
The fourth proportional to 861,952.60, 1,188,924.61 and 539,102.19 is: 743,604.53
Step by Step Solution
- Step 1: Write the proportion equation
861,952.60 : 1,188,924.61 = 539,102.19 : x - Step 2: Convert to fraction form
861,952.60/1,188,924.61 = 539,102.19/x - Step 3: Cross multiply
861,952.60x = 1,188,924.61 × 539,102.19 - Step 4: Simplify right side
861,952.60x = 640,951,860,995.90 - Step 5: Solve for x
x = 640,951,860,995.90/861,952.60 - Step 6: Final answer
x = 743,604.53
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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.