Finding the Fourth Proportional to 1,136,697.12, 1,568,618.16 and 620,434.08
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Solution
The fourth proportional to 1,136,697.12, 1,568,618.16 and 620,434.08 is: 856,186.00
Step by Step Solution
- Step 1: Write the proportion equation
1,136,697.12 : 1,568,618.16 = 620,434.08 : x - Step 2: Convert to fraction form
1,136,697.12/1,568,618.16 = 620,434.08/x - Step 3: Cross multiply
1,136,697.12x = 1,568,618.16 × 620,434.08 - Step 4: Simplify right side
1,136,697.12x = 973,224,164,970.89 - Step 5: Solve for x
x = 973,224,164,970.89/1,136,697.12 - Step 6: Final answer
x = 856,186.00
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.