Finding the Fourth Proportional to 1,732,657.74, 2,390,107.74 and 1,007,425.32
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Solution
The fourth proportional to 1,732,657.74, 2,390,107.74 and 1,007,425.32 is: 1,389,688.80
Step by Step Solution
- Step 1: Write the proportion equation
1,732,657.74 : 2,390,107.74 = 1,007,425.32 : x - Step 2: Convert to fraction form
1,732,657.74/2,390,107.74 = 1,007,425.32/x - Step 3: Cross multiply
1,732,657.74x = 2,390,107.74 × 1,007,425.32 - Step 4: Simplify right side
1,732,657.74x = 2,407,855,054,803.98 - Step 5: Solve for x
x = 2,407,855,054,803.98/1,732,657.74 - Step 6: Final answer
x = 1,389,688.80
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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.