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Finding the Fourth Proportional to 994,857.92, 1,372,960.02 and 752,720.10

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Solution

The fourth proportional to 994,857.92, 1,372,960.02 and 752,720.10 is: 1,038,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,857.92 : 1,372,960.02 = 752,720.10 : x
  2. Step 2: Convert to fraction form
    994,857.92/1,372,960.02 = 752,720.10/x
  3. Step 3: Cross multiply
    994,857.92x = 1,372,960.02 × 752,720.10
  4. Step 4: Simplify right side
    994,857.92x = 1,033,454,603,550.40
  5. Step 5: Solve for x
    x = 1,033,454,603,550.40/994,857.92
  6. Step 6: Final answer
    x = 1,038,796.18

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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.