Finding the Fourth Proportional to 840,916.80, 1,160,468.40 and 458,952
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Solution
The fourth proportional to 840,916.80, 1,160,468.40 and 458,952 is: 633,355.52
Step by Step Solution
- Step 1: Write the proportion equation
840,916.80 : 1,160,468.40 = 458,952 : x - Step 2: Convert to fraction form
840,916.80/1,160,468.40 = 458,952/x - Step 3: Cross multiply
840,916.80x = 1,160,468.40 × 458,952 - Step 4: Simplify right side
840,916.80x = 532,599,293,116.80 - Step 5: Solve for x
x = 532,599,293,116.80/840,916.80 - Step 6: Final answer
x = 633,355.52
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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.