Home / 900,675.72-1,351,016.34-731,392.86

Finding the Fourth Proportional to 900,675.72, 1,351,016.34 and 731,392.86

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Solution

The fourth proportional to 900,675.72, 1,351,016.34 and 731,392.86 is: 1,097,091.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,675.72 : 1,351,016.34 = 731,392.86 : x
  2. Step 2: Convert to fraction form
    900,675.72/1,351,016.34 = 731,392.86/x
  3. Step 3: Cross multiply
    900,675.72x = 1,351,016.34 × 731,392.86
  4. Step 4: Simplify right side
    900,675.72x = 988,123,704,819.33
  5. Step 5: Solve for x
    x = 988,123,704,819.33/900,675.72
  6. Step 6: Final answer
    x = 1,097,091.53

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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.