Home / 873,960.48-1,206,046.86-486,774.69

Finding the Fourth Proportional to 873,960.48, 1,206,046.86 and 486,774.69

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Solution

The fourth proportional to 873,960.48, 1,206,046.86 and 486,774.69 is: 671,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,960.48 : 1,206,046.86 = 486,774.69 : x
  2. Step 2: Convert to fraction form
    873,960.48/1,206,046.86 = 486,774.69/x
  3. Step 3: Cross multiply
    873,960.48x = 1,206,046.86 × 486,774.69
  4. Step 4: Simplify right side
    873,960.48x = 587,073,086,401.97
  5. Step 5: Solve for x
    x = 587,073,086,401.97/873,960.48
  6. Step 6: Final answer
    x = 671,738.71

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1.5x scale

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.