Home / 908,530.38-1,253,771.96-526,778.60

Finding the Fourth Proportional to 908,530.38, 1,253,771.96 and 526,778.60

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Solution

The fourth proportional to 908,530.38, 1,253,771.96 and 526,778.60 is: 726,954.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,530.38 : 1,253,771.96 = 526,778.60 : x
  2. Step 2: Convert to fraction form
    908,530.38/1,253,771.96 = 526,778.60/x
  3. Step 3: Cross multiply
    908,530.38x = 1,253,771.96 × 526,778.60
  4. Step 4: Simplify right side
    908,530.38x = 660,460,228,905.30
  5. Step 5: Solve for x
    x = 660,460,228,905.30/908,530.38
  6. Step 6: Final answer
    x = 726,954.48

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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.