Home / 951,617.88-1,313,249.52-521,894.28

Finding the Fourth Proportional to 951,617.88, 1,313,249.52 and 521,894.28

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Solution

The fourth proportional to 951,617.88, 1,313,249.52 and 521,894.28 is: 720,223.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,617.88 : 1,313,249.52 = 521,894.28 : x
  2. Step 2: Convert to fraction form
    951,617.88/1,313,249.52 = 521,894.28/x
  3. Step 3: Cross multiply
    951,617.88x = 1,313,249.52 × 521,894.28
  4. Step 4: Simplify right side
    951,617.88x = 685,377,412,700.75
  5. Step 5: Solve for x
    x = 685,377,412,700.75/951,617.88
  6. Step 6: Final answer
    x = 720,223.35

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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.