Finding the Fourth Proportional to 1,778,313.60, 2,666,388.96 and 697,530.99
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Solution
The fourth proportional to 1,778,313.60, 2,666,388.96 and 697,530.99 is: 1,045,872.30
Step by Step Solution
- Step 1: Write the proportion equation
1,778,313.60 : 2,666,388.96 = 697,530.99 : x - Step 2: Convert to fraction form
1,778,313.60/2,666,388.96 = 697,530.99/x - Step 3: Cross multiply
1,778,313.60x = 2,666,388.96 × 697,530.99 - Step 4: Simplify right side
1,778,313.60x = 1,859,888,930,993.87 - Step 5: Solve for x
x = 1,859,888,930,993.87/1,778,313.60 - Step 6: Final answer
x = 1,045,872.30
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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.