Finding the Fourth Proportional to 1,257,919.80, 1,883,769.30 and 834,905.40
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Solution
The fourth proportional to 1,257,919.80, 1,883,769.30 and 834,905.40 is: 1,250,293.67
Step by Step Solution
- Step 1: Write the proportion equation
1,257,919.80 : 1,883,769.30 = 834,905.40 : x - Step 2: Convert to fraction form
1,257,919.80/1,883,769.30 = 834,905.40/x - Step 3: Cross multiply
1,257,919.80x = 1,883,769.30 × 834,905.40 - Step 4: Simplify right side
1,257,919.80x = 1,572,769,160,924.22 - Step 5: Solve for x
x = 1,572,769,160,924.22/1,257,919.80 - Step 6: Final answer
x = 1,250,293.67
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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.