Home / 620,716.28-931,055.94-171,464.09

Finding the Fourth Proportional to 620,716.28, 931,055.94 and 171,464.09

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Solution

The fourth proportional to 620,716.28, 931,055.94 and 171,464.09 is: 257,191.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,716.28 : 931,055.94 = 171,464.09 : x
  2. Step 2: Convert to fraction form
    620,716.28/931,055.94 = 171,464.09/x
  3. Step 3: Cross multiply
    620,716.28x = 931,055.94 × 171,464.09
  4. Step 4: Simplify right side
    620,716.28x = 159,642,654,835.92
  5. Step 5: Solve for x
    x = 159,642,654,835.92/620,716.28
  6. Step 6: Final answer
    x = 257,191.02

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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.