Finding the Fourth Proportional to 841,695.30, 1,161,539.51 and 459,722.99
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Solution
The fourth proportional to 841,695.30, 1,161,539.51 and 459,722.99 is: 634,417.71
Step by Step Solution
- Step 1: Write the proportion equation
841,695.30 : 1,161,539.51 = 459,722.99 : x - Step 2: Convert to fraction form
841,695.30/1,161,539.51 = 459,722.99/x - Step 3: Cross multiply
841,695.30x = 1,161,539.51 × 459,722.99 - Step 4: Simplify right side
841,695.30x = 533,986,408,434.02 - Step 5: Solve for x
x = 533,986,408,434.02/841,695.30 - Step 6: Final answer
x = 634,417.71
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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.