Home / 325,579.06-488,448.50-262,966.60

Finding the Fourth Proportional to 325,579.06, 488,448.50 and 262,966.60

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Solution

The fourth proportional to 325,579.06, 488,448.50 and 262,966.60 is: 394,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,579.06 : 488,448.50 = 262,966.60 : x
  2. Step 2: Convert to fraction form
    325,579.06/488,448.50 = 262,966.60/x
  3. Step 3: Cross multiply
    325,579.06x = 488,448.50 × 262,966.60
  4. Step 4: Simplify right side
    325,579.06x = 128,445,641,320.10
  5. Step 5: Solve for x
    x = 128,445,641,320.10/325,579.06
  6. Step 6: Final answer
    x = 394,514.44

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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.