Home / 878,883.41-1,212,891.77-496,887.41

Finding the Fourth Proportional to 878,883.41, 1,212,891.77 and 496,887.41

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Solution

The fourth proportional to 878,883.41, 1,212,891.77 and 496,887.41 is: 685,723.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,883.41 : 1,212,891.77 = 496,887.41 : x
  2. Step 2: Convert to fraction form
    878,883.41/1,212,891.77 = 496,887.41/x
  3. Step 3: Cross multiply
    878,883.41x = 1,212,891.77 × 496,887.41
  4. Step 4: Simplify right side
    878,883.41x = 602,670,650,205.62
  5. Step 5: Solve for x
    x = 602,670,650,205.62/878,883.41
  6. Step 6: Final answer
    x = 685,723.09

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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.