Home / 886,587.55-1,329,273.88-317,956.48

Finding the Fourth Proportional to 886,587.55, 1,329,273.88 and 317,956.48

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Solution

The fourth proportional to 886,587.55, 1,329,273.88 and 317,956.48 is: 476,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,587.55 : 1,329,273.88 = 317,956.48 : x
  2. Step 2: Convert to fraction form
    886,587.55/1,329,273.88 = 317,956.48/x
  3. Step 3: Cross multiply
    886,587.55x = 1,329,273.88 × 317,956.48
  4. Step 4: Simplify right side
    886,587.55x = 422,651,243,840.74
  5. Step 5: Solve for x
    x = 422,651,243,840.74/886,587.55
  6. Step 6: Final answer
    x = 476,716.87

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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.