Finding the Fourth Proportional to 1,154,867.42, 1,593,727.36 and 638,656.05
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Solution
The fourth proportional to 1,154,867.42, 1,593,727.36 and 638,656.05 is: 881,351.06
Step by Step Solution
- Step 1: Write the proportion equation
1,154,867.42 : 1,593,727.36 = 638,656.05 : x - Step 2: Convert to fraction form
1,154,867.42/1,593,727.36 = 638,656.05/x - Step 3: Cross multiply
1,154,867.42x = 1,593,727.36 × 638,656.05 - Step 4: Simplify right side
1,154,867.42x = 1,017,843,624,894.37 - Step 5: Solve for x
x = 1,017,843,624,894.37/1,154,867.42 - Step 6: Final answer
x = 881,351.06
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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.