Finding the Fourth Proportional to 1,172,198.81, 1,758,334.73 and 403,688.63
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Solution
The fourth proportional to 1,172,198.81, 1,758,334.73 and 403,688.63 is: 605,545.52
Step by Step Solution
- Step 1: Write the proportion equation
1,172,198.81 : 1,758,334.73 = 403,688.63 : x - Step 2: Convert to fraction form
1,172,198.81/1,758,334.73 = 403,688.63/x - Step 3: Cross multiply
1,172,198.81x = 1,758,334.73 × 403,688.63 - Step 4: Simplify right side
1,172,198.81x = 709,819,738,235.12 - Step 5: Solve for x
x = 709,819,738,235.12/1,172,198.81 - Step 6: Final answer
x = 605,545.52
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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.