Home / 1,345,914.38-1,857,563.34-863,024.78

Finding the Fourth Proportional to 1,345,914.38, 1,857,563.34 and 863,024.78

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Solution

The fourth proportional to 1,345,914.38, 1,857,563.34 and 863,024.78 is: 1,191,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,914.38 : 1,857,563.34 = 863,024.78 : x
  2. Step 2: Convert to fraction form
    1,345,914.38/1,857,563.34 = 863,024.78/x
  3. Step 3: Cross multiply
    1,345,914.38x = 1,857,563.34 × 863,024.78
  4. Step 4: Simplify right side
    1,345,914.38x = 1,603,123,192,839.57
  5. Step 5: Solve for x
    x = 1,603,123,192,839.57/1,345,914.38
  6. Step 6: Final answer
    x = 1,191,103.40

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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.