Finding the Fourth Proportional to 1,916,853.76, 2,874,201.60 and 636,776
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Solution
The fourth proportional to 1,916,853.76, 2,874,201.60 and 636,776 is: 954,805.54
Step by Step Solution
- Step 1: Write the proportion equation
1,916,853.76 : 2,874,201.60 = 636,776 : x - Step 2: Convert to fraction form
1,916,853.76/2,874,201.60 = 636,776/x - Step 3: Cross multiply
1,916,853.76x = 2,874,201.60 × 636,776 - Step 4: Simplify right side
1,916,853.76x = 1,830,222,598,041.60 - Step 5: Solve for x
x = 1,830,222,598,041.60/1,916,853.76 - Step 6: Final answer
x = 954,805.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.