Finding the Fourth Proportional to 1,365,861.40, 2,050,347.30 and 805,211.80
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Solution
The fourth proportional to 1,365,861.40, 2,050,347.30 and 805,211.80 is: 1,208,734.53
Step by Step Solution
- Step 1: Write the proportion equation
1,365,861.40 : 2,050,347.30 = 805,211.80 : x - Step 2: Convert to fraction form
1,365,861.40/2,050,347.30 = 805,211.80/x - Step 3: Cross multiply
1,365,861.40x = 2,050,347.30 × 805,211.80 - Step 4: Simplify right side
1,365,861.40x = 1,650,963,840,058.14 - Step 5: Solve for x
x = 1,650,963,840,058.14/1,365,861.40 - Step 6: Final answer
x = 1,208,734.53
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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.