Finding the Fourth Proportional to 1,291,860, 1,937,224.56 and 651,769.92
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Solution
The fourth proportional to 1,291,860, 1,937,224.56 and 651,769.92 is: 977,369.60
Step by Step Solution
- Step 1: Write the proportion equation
1,291,860 : 1,937,224.56 = 651,769.92 : x - Step 2: Convert to fraction form
1,291,860/1,937,224.56 = 651,769.92/x - Step 3: Cross multiply
1,291,860x = 1,937,224.56 × 651,769.92 - Step 4: Simplify right side
1,291,860x = 1,262,624,696,493.24 - Step 5: Solve for x
x = 1,262,624,696,493.24/1,291,860 - Step 6: Final answer
x = 977,369.60
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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.