Finding the Fourth Proportional to 1,207,484.36, 1,666,219.98 and 663,614.20
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Solution
The fourth proportional to 1,207,484.36, 1,666,219.98 and 663,614.20 is: 915,728.00
Step by Step Solution
- Step 1: Write the proportion equation
1,207,484.36 : 1,666,219.98 = 663,614.20 : x - Step 2: Convert to fraction form
1,207,484.36/1,666,219.98 = 663,614.20/x - Step 3: Cross multiply
1,207,484.36x = 1,666,219.98 × 663,614.20 - Step 4: Simplify right side
1,207,484.36x = 1,105,727,239,051.72 - Step 5: Solve for x
x = 1,105,727,239,051.72/1,207,484.36 - Step 6: Final answer
x = 915,728.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.