Finding the Fourth Proportional to 1,640,591.09, 2,461,269.40 and 561,112.03
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Solution
The fourth proportional to 1,640,591.09, 2,461,269.40 and 561,112.03 is: 841,798.95
Step by Step Solution
- Step 1: Write the proportion equation
1,640,591.09 : 2,461,269.40 = 561,112.03 : x - Step 2: Convert to fraction form
1,640,591.09/2,461,269.40 = 561,112.03/x - Step 3: Cross multiply
1,640,591.09x = 2,461,269.40 × 561,112.03 - Step 4: Simplify right side
1,640,591.09x = 1,381,047,861,854.93 - Step 5: Solve for x
x = 1,381,047,861,854.93/1,640,591.09 - Step 6: Final answer
x = 841,798.95
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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.