Finding the Fourth Proportional to 1,564,606.45, 2,158,910.26 and 911,339.99
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Solution
The fourth proportional to 1,564,606.45, 2,158,910.26 and 911,339.99 is: 1,257,505.52
Step by Step Solution
- Step 1: Write the proportion equation
1,564,606.45 : 2,158,910.26 = 911,339.99 : x - Step 2: Convert to fraction form
1,564,606.45/2,158,910.26 = 911,339.99/x - Step 3: Cross multiply
1,564,606.45x = 2,158,910.26 × 911,339.99 - Step 4: Simplify right side
1,564,606.45x = 1,967,501,248,836.66 - Step 5: Solve for x
x = 1,967,501,248,836.66/1,564,606.45 - Step 6: Final answer
x = 1,257,505.52
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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.