Finding the Fourth Proportional to 692,736.14, 956,636.12 and 654,996.05
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Solution
The fourth proportional to 692,736.14, 956,636.12 and 654,996.05 is: 904,518.81
Step by Step Solution
- Step 1: Write the proportion equation
692,736.14 : 956,636.12 = 654,996.05 : x - Step 2: Convert to fraction form
692,736.14/956,636.12 = 654,996.05/x - Step 3: Cross multiply
692,736.14x = 956,636.12 × 654,996.05 - Step 4: Simplify right side
692,736.14x = 626,592,871,829.17 - Step 5: Solve for x
x = 626,592,871,829.17/692,736.14 - Step 6: Final answer
x = 904,518.81
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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.