Finding the Fourth Proportional to 783,528.84, 1,081,500.86 and 511,639
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Solution
The fourth proportional to 783,528.84, 1,081,500.86 and 511,639 is: 706,212.70
Step by Step Solution
- Step 1: Write the proportion equation
783,528.84 : 1,081,500.86 = 511,639 : x - Step 2: Convert to fraction form
783,528.84/1,081,500.86 = 511,639/x - Step 3: Cross multiply
783,528.84x = 1,081,500.86 × 511,639 - Step 4: Simplify right side
783,528.84x = 553,338,018,509.54 - Step 5: Solve for x
x = 553,338,018,509.54/783,528.84 - Step 6: Final answer
x = 706,212.70
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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.