Finding the Fourth Proportional to 935,953.68, 1,291,616.33 and 528,141.95
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Solution
The fourth proportional to 935,953.68, 1,291,616.33 and 528,141.95 is: 728,836.03
Step by Step Solution
- Step 1: Write the proportion equation
935,953.68 : 1,291,616.33 = 528,141.95 : x - Step 2: Convert to fraction form
935,953.68/1,291,616.33 = 528,141.95/x - Step 3: Cross multiply
935,953.68x = 1,291,616.33 × 528,141.95 - Step 4: Simplify right side
935,953.68x = 682,156,767,178.04 - Step 5: Solve for x
x = 682,156,767,178.04/935,953.68 - Step 6: Final answer
x = 728,836.03
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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.