Home / 546,629.60-819,944.40-172,652.60

Finding the Fourth Proportional to 546,629.60, 819,944.40 and 172,652.60

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Solution

The fourth proportional to 546,629.60, 819,944.40 and 172,652.60 is: 258,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,629.60 : 819,944.40 = 172,652.60 : x
  2. Step 2: Convert to fraction form
    546,629.60/819,944.40 = 172,652.60/x
  3. Step 3: Cross multiply
    546,629.60x = 819,944.40 × 172,652.60
  4. Step 4: Simplify right side
    546,629.60x = 141,565,532,515.44
  5. Step 5: Solve for x
    x = 141,565,532,515.44/546,629.60
  6. Step 6: Final answer
    x = 258,978.90

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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.