Finding the Fourth Proportional to 786,311.68, 1,177,466.41 and 519,672.64
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Solution
The fourth proportional to 786,311.68, 1,177,466.41 and 519,672.64 is: 778,186.43
Step by Step Solution
- Step 1: Write the proportion equation
786,311.68 : 1,177,466.41 = 519,672.64 : x - Step 2: Convert to fraction form
786,311.68/1,177,466.41 = 519,672.64/x - Step 3: Cross multiply
786,311.68x = 1,177,466.41 × 519,672.64 - Step 4: Simplify right side
786,311.68x = 611,897,075,501.95 - Step 5: Solve for x
x = 611,897,075,501.95/786,311.68 - Step 6: Final answer
x = 778,186.43
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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.