Finding the Fourth Proportional to 1,761,723.40, 2,643,276.30 and 639,905.80
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Solution
The fourth proportional to 1,761,723.40, 2,643,276.30 and 639,905.80 is: 960,109.76
Step by Step Solution
- Step 1: Write the proportion equation
1,761,723.40 : 2,643,276.30 = 639,905.80 : x - Step 2: Convert to fraction form
1,761,723.40/2,643,276.30 = 639,905.80/x - Step 3: Cross multiply
1,761,723.40x = 2,643,276.30 × 639,905.80 - Step 4: Simplify right side
1,761,723.40x = 1,691,447,835,372.54 - Step 5: Solve for x
x = 1,691,447,835,372.54/1,761,723.40 - Step 6: Final answer
x = 960,109.76
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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.