Finding the Fourth Proportional to 872,779.61, 1,306,369.11 and 466,956.61
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Solution
The fourth proportional to 872,779.61, 1,306,369.11 and 466,956.61 is: 698,936.68
Step by Step Solution
- Step 1: Write the proportion equation
872,779.61 : 1,306,369.11 = 466,956.61 : x - Step 2: Convert to fraction form
872,779.61/1,306,369.11 = 466,956.61/x - Step 3: Cross multiply
872,779.61x = 1,306,369.11 × 466,956.61 - Step 4: Simplify right side
872,779.61x = 610,017,684,482.47 - Step 5: Solve for x
x = 610,017,684,482.47/872,779.61 - Step 6: Final answer
x = 698,936.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.