Home / 621,051.60-929,609.10-443,904.60

Finding the Fourth Proportional to 621,051.60, 929,609.10 and 443,904.60

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Solution

The fourth proportional to 621,051.60, 929,609.10 and 443,904.60 is: 664,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,051.60 : 929,609.10 = 443,904.60 : x
  2. Step 2: Convert to fraction form
    621,051.60/929,609.10 = 443,904.60/x
  3. Step 3: Cross multiply
    621,051.60x = 929,609.10 × 443,904.60
  4. Step 4: Simplify right side
    621,051.60x = 412,657,755,691.86
  5. Step 5: Solve for x
    x = 412,657,755,691.86/621,051.60
  6. Step 6: Final answer
    x = 664,450.03

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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.