Finding the Fourth Proportional to 1,656,913.68, 2,286,554.04 and 921,878.64
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Solution
The fourth proportional to 1,656,913.68, 2,286,554.04 and 921,878.64 is: 1,272,199.85
Step by Step Solution
- Step 1: Write the proportion equation
1,656,913.68 : 2,286,554.04 = 921,878.64 : x - Step 2: Convert to fraction form
1,656,913.68/2,286,554.04 = 921,878.64/x - Step 3: Cross multiply
1,656,913.68x = 2,286,554.04 × 921,878.64 - Step 4: Simplify right side
1,656,913.68x = 2,107,925,328,681.71 - Step 5: Solve for x
x = 2,107,925,328,681.71/1,656,913.68 - Step 6: Final answer
x = 1,272,199.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.