Finding the Fourth Proportional to 988,268.96, 1,363,811.04 and 535,560
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Solution
The fourth proportional to 988,268.96, 1,363,811.04 and 535,560 is: 739,072.73
Step by Step Solution
- Step 1: Write the proportion equation
988,268.96 : 1,363,811.04 = 535,560 : x - Step 2: Convert to fraction form
988,268.96/1,363,811.04 = 535,560/x - Step 3: Cross multiply
988,268.96x = 1,363,811.04 × 535,560 - Step 4: Simplify right side
988,268.96x = 730,402,640,582.40 - Step 5: Solve for x
x = 730,402,640,582.40/988,268.96 - Step 6: Final answer
x = 739,072.73
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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.