Finding the Fourth Proportional to 832,844.84, 1,149,325.80 and 465,322.06
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Solution
The fourth proportional to 832,844.84, 1,149,325.80 and 465,322.06 is: 642,144.40
Step by Step Solution
- Step 1: Write the proportion equation
832,844.84 : 1,149,325.80 = 465,322.06 : x - Step 2: Convert to fraction form
832,844.84/1,149,325.80 = 465,322.06/x - Step 3: Cross multiply
832,844.84x = 1,149,325.80 × 465,322.06 - Step 4: Simplify right side
832,844.84x = 534,806,648,867.15 - Step 5: Solve for x
x = 534,806,648,867.15/832,844.84 - Step 6: Final answer
x = 642,144.40
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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.