Finding the Fourth Proportional to 1,239,919.92, 1,711,088.82 and 696,056.76
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Solution
The fourth proportional to 1,239,919.92, 1,711,088.82 and 696,056.76 is: 960,557.95
Step by Step Solution
- Step 1: Write the proportion equation
1,239,919.92 : 1,711,088.82 = 696,056.76 : x - Step 2: Convert to fraction form
1,239,919.92/1,711,088.82 = 696,056.76/x - Step 3: Cross multiply
1,239,919.92x = 1,711,088.82 × 696,056.76 - Step 4: Simplify right side
1,239,919.92x = 1,191,014,940,121.42 - Step 5: Solve for x
x = 1,191,014,940,121.42/1,239,919.92 - Step 6: Final answer
x = 960,557.95
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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.