Finding the Fourth Proportional to 1,557,125.80, 2,335,688.70 and 891,730.60
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Solution
The fourth proportional to 1,557,125.80, 2,335,688.70 and 891,730.60 is: 1,337,595.90
Step by Step Solution
- Step 1: Write the proportion equation
1,557,125.80 : 2,335,688.70 = 891,730.60 : x - Step 2: Convert to fraction form
1,557,125.80/2,335,688.70 = 891,730.60/x - Step 3: Cross multiply
1,557,125.80x = 2,335,688.70 × 891,730.60 - Step 4: Simplify right side
1,557,125.80x = 2,082,805,085,864.22 - Step 5: Solve for x
x = 2,082,805,085,864.22/1,557,125.80 - Step 6: Final answer
x = 1,337,595.90
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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.