Finding the Fourth Proportional to 998,765, 1,378,295.70 and 546,056
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Solution
The fourth proportional to 998,765, 1,378,295.70 and 546,056 is: 753,557.28
Step by Step Solution
- Step 1: Write the proportion equation
998,765 : 1,378,295.70 = 546,056 : x - Step 2: Convert to fraction form
998,765/1,378,295.70 = 546,056/x - Step 3: Cross multiply
998,765x = 1,378,295.70 × 546,056 - Step 4: Simplify right side
998,765x = 752,626,636,759.20 - Step 5: Solve for x
x = 752,626,636,759.20/998,765 - Step 6: Final answer
x = 753,557.28
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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.