Home / 886,630.59-1,329,338.34-317,999.52

Finding the Fourth Proportional to 886,630.59, 1,329,338.34 and 317,999.52

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Solution

The fourth proportional to 886,630.59, 1,329,338.34 and 317,999.52 is: 476,781.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,630.59 : 1,329,338.34 = 317,999.52 : x
  2. Step 2: Convert to fraction form
    886,630.59/1,329,338.34 = 317,999.52/x
  3. Step 3: Cross multiply
    886,630.59x = 1,329,338.34 × 317,999.52
  4. Step 4: Simplify right side
    886,630.59x = 422,728,954,037.60
  5. Step 5: Solve for x
    x = 422,728,954,037.60/886,630.59
  6. Step 6: Final answer
    x = 476,781.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.