Finding the Fourth Proportional to 692,914.84, 1,032,967.18 and 681,995.36
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Solution
The fourth proportional to 692,914.84, 1,032,967.18 and 681,995.36 is: 1,016,688.90
Step by Step Solution
- Step 1: Write the proportion equation
692,914.84 : 1,032,967.18 = 681,995.36 : x - Step 2: Convert to fraction form
692,914.84/1,032,967.18 = 681,995.36/x - Step 3: Cross multiply
692,914.84x = 1,032,967.18 × 681,995.36 - Step 4: Simplify right side
692,914.84x = 704,478,827,227.20 - Step 5: Solve for x
x = 704,478,827,227.20/692,914.84 - Step 6: Final answer
x = 1,016,688.90
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.