Home / 985,168.13-1,475,087.03-510,856.43

Finding the Fourth Proportional to 985,168.13, 1,475,087.03 and 510,856.43

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Solution

The fourth proportional to 985,168.13, 1,475,087.03 and 510,856.43 is: 764,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,168.13 : 1,475,087.03 = 510,856.43 : x
  2. Step 2: Convert to fraction form
    985,168.13/1,475,087.03 = 510,856.43/x
  3. Step 3: Cross multiply
    985,168.13x = 1,475,087.03 × 510,856.43
  4. Step 4: Simplify right side
    985,168.13x = 753,557,691,530.82
  5. Step 5: Solve for x
    x = 753,557,691,530.82/985,168.13
  6. Step 6: Final answer
    x = 764,902.63

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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.