Home / 346,327.20-519,879.60-267,789.60

Finding the Fourth Proportional to 346,327.20, 519,879.60 and 267,789.60

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Solution

The fourth proportional to 346,327.20, 519,879.60 and 267,789.60 is: 401,985.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,327.20 : 519,879.60 = 267,789.60 : x
  2. Step 2: Convert to fraction form
    346,327.20/519,879.60 = 267,789.60/x
  3. Step 3: Cross multiply
    346,327.20x = 519,879.60 × 267,789.60
  4. Step 4: Simplify right side
    346,327.20x = 139,218,350,132.16
  5. Step 5: Solve for x
    x = 139,218,350,132.16/346,327.20
  6. Step 6: Final answer
    x = 401,985.03

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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.