Finding the Fourth Proportional to 1,857,120.12, 2,786,303.34 and 719,919.41
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Solution
The fourth proportional to 1,857,120.12, 2,786,303.34 and 719,919.41 is: 1,080,120.68
Step by Step Solution
- Step 1: Write the proportion equation
1,857,120.12 : 2,786,303.34 = 719,919.41 : x - Step 2: Convert to fraction form
1,857,120.12/2,786,303.34 = 719,919.41/x - Step 3: Cross multiply
1,857,120.12x = 2,786,303.34 × 719,919.41 - Step 4: Simplify right side
1,857,120.12x = 2,005,913,842,682.31 - Step 5: Solve for x
x = 2,005,913,842,682.31/1,857,120.12 - Step 6: Final answer
x = 1,080,120.68
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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.