Finding the Fourth Proportional to 1,265,886.56, 1,746,924 and 692,930
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Solution
The fourth proportional to 1,265,886.56, 1,746,924 and 692,930 is: 956,243.70
Step by Step Solution
- Step 1: Write the proportion equation
1,265,886.56 : 1,746,924 = 692,930 : x - Step 2: Convert to fraction form
1,265,886.56/1,746,924 = 692,930/x - Step 3: Cross multiply
1,265,886.56x = 1,746,924 × 692,930 - Step 4: Simplify right side
1,265,886.56x = 1,210,496,047,320 - Step 5: Solve for x
x = 1,210,496,047,320/1,265,886.56 - Step 6: Final answer
x = 956,243.70
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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.