Finding the Fourth Proportional to 1,717,909.60, 2,576,861.64 and 438,516.96
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Solution
The fourth proportional to 1,717,909.60, 2,576,861.64 and 438,516.96 is: 657,774.74
Step by Step Solution
- Step 1: Write the proportion equation
1,717,909.60 : 2,576,861.64 = 438,516.96 : x - Step 2: Convert to fraction form
1,717,909.60/2,576,861.64 = 438,516.96/x - Step 3: Cross multiply
1,717,909.60x = 2,576,861.64 × 438,516.96 - Step 4: Simplify right side
1,717,909.60x = 1,129,997,532,713.41 - Step 5: Solve for x
x = 1,129,997,532,713.41/1,717,909.60 - Step 6: Final answer
x = 657,774.74
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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.