Finding the Fourth Proportional to 1,219,898.04, 1,683,410.70 and 676,057.08
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Solution
The fourth proportional to 1,219,898.04, 1,683,410.70 and 676,057.08 is: 932,931.84
Step by Step Solution
- Step 1: Write the proportion equation
1,219,898.04 : 1,683,410.70 = 676,057.08 : x - Step 2: Convert to fraction form
1,219,898.04/1,683,410.70 = 676,057.08/x - Step 3: Cross multiply
1,219,898.04x = 1,683,410.70 × 676,057.08 - Step 4: Simplify right side
1,219,898.04x = 1,138,081,722,282.76 - Step 5: Solve for x
x = 1,138,081,722,282.76/1,219,898.04 - Step 6: Final answer
x = 932,931.84
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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.