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Finding the Fourth Proportional to 1,093,868.92, 1,637,939.16 and 879,497.56

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Solution

The fourth proportional to 1,093,868.92, 1,637,939.16 and 879,497.56 is: 1,316,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,868.92 : 1,637,939.16 = 879,497.56 : x
  2. Step 2: Convert to fraction form
    1,093,868.92/1,637,939.16 = 879,497.56/x
  3. Step 3: Cross multiply
    1,093,868.92x = 1,637,939.16 × 879,497.56
  4. Step 4: Simplify right side
    1,093,868.92x = 1,440,563,494,648.45
  5. Step 5: Solve for x
    x = 1,440,563,494,648.45/1,093,868.92
  6. Step 6: Final answer
    x = 1,316,943.44

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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.