Home / 1,105,195.52-1,525,107.48-621,781.04

Finding the Fourth Proportional to 1,105,195.52, 1,525,107.48 and 621,781.04

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Solution

The fourth proportional to 1,105,195.52, 1,525,107.48 and 621,781.04 is: 858,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,195.52 : 1,525,107.48 = 621,781.04 : x
  2. Step 2: Convert to fraction form
    1,105,195.52/1,525,107.48 = 621,781.04/x
  3. Step 3: Cross multiply
    1,105,195.52x = 1,525,107.48 × 621,781.04
  4. Step 4: Simplify right side
    1,105,195.52x = 948,282,915,026.18
  5. Step 5: Solve for x
    x = 948,282,915,026.18/1,105,195.52
  6. Step 6: Final answer
    x = 858,022.76

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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.