Home / 546,520.20-819,780.30-172,494.60

Finding the Fourth Proportional to 546,520.20, 819,780.30 and 172,494.60

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Solution

The fourth proportional to 546,520.20, 819,780.30 and 172,494.60 is: 258,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,520.20 : 819,780.30 = 172,494.60 : x
  2. Step 2: Convert to fraction form
    546,520.20/819,780.30 = 172,494.60/x
  3. Step 3: Cross multiply
    546,520.20x = 819,780.30 × 172,494.60
  4. Step 4: Simplify right side
    546,520.20x = 141,407,674,936.38
  5. Step 5: Solve for x
    x = 141,407,674,936.38/546,520.20
  6. Step 6: Final answer
    x = 258,741.90

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Similar ratio
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1.5x scale

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.