Finding the Fourth Proportional to 1,159,417.99, 1,739,138.16 and 439,566.10
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Solution
The fourth proportional to 1,159,417.99, 1,739,138.16 and 439,566.10 is: 659,353.39
Step by Step Solution
- Step 1: Write the proportion equation
1,159,417.99 : 1,739,138.16 = 439,566.10 : x - Step 2: Convert to fraction form
1,159,417.99/1,739,138.16 = 439,566.10/x - Step 3: Cross multiply
1,159,417.99x = 1,739,138.16 × 439,566.10 - Step 4: Simplify right side
1,159,417.99x = 764,466,178,352.38 - Step 5: Solve for x
x = 764,466,178,352.38/1,159,417.99 - Step 6: Final answer
x = 659,353.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.