Home / 483,400.90-667,078.77-265,609.18

Finding the Fourth Proportional to 483,400.90, 667,078.77 and 265,609.18

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Solution

The fourth proportional to 483,400.90, 667,078.77 and 265,609.18 is: 366,532.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,400.90 : 667,078.77 = 265,609.18 : x
  2. Step 2: Convert to fraction form
    483,400.90/667,078.77 = 265,609.18/x
  3. Step 3: Cross multiply
    483,400.90x = 667,078.77 × 265,609.18
  4. Step 4: Simplify right side
    483,400.90x = 177,182,245,095.11
  5. Step 5: Solve for x
    x = 177,182,245,095.11/483,400.90
  6. Step 6: Final answer
    x = 366,532.72

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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.