Finding the Fourth Proportional to 1,205,586.60, 1,663,730.98 and 661,772.99
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Solution
The fourth proportional to 1,205,586.60, 1,663,730.98 and 661,772.99 is: 913,258.51
Step by Step Solution
- Step 1: Write the proportion equation
1,205,586.60 : 1,663,730.98 = 661,772.99 : x - Step 2: Convert to fraction form
1,205,586.60/1,663,730.98 = 661,772.99/x - Step 3: Cross multiply
1,205,586.60x = 1,663,730.98 × 661,772.99 - Step 4: Simplify right side
1,205,586.60x = 1,101,012,217,405.99 - Step 5: Solve for x
x = 1,101,012,217,405.99/1,205,586.60 - Step 6: Final answer
x = 913,258.51
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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.