Home / 620,951.54-931,788.73-261,096.35

Finding the Fourth Proportional to 620,951.54, 931,788.73 and 261,096.35

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Solution

The fourth proportional to 620,951.54, 931,788.73 and 261,096.35 is: 391,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,951.54 : 931,788.73 = 261,096.35 : x
  2. Step 2: Convert to fraction form
    620,951.54/931,788.73 = 261,096.35/x
  3. Step 3: Cross multiply
    620,951.54x = 931,788.73 × 261,096.35
  4. Step 4: Simplify right side
    620,951.54x = 243,286,632,041.56
  5. Step 5: Solve for x
    x = 243,286,632,041.56/620,951.54
  6. Step 6: Final answer
    x = 391,796.49

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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.