Home / 1,314,167.70-1,969,793.55-515,183.70

Finding the Fourth Proportional to 1,314,167.70, 1,969,793.55 and 515,183.70

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Solution

The fourth proportional to 1,314,167.70, 1,969,793.55 and 515,183.70 is: 772,203.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,167.70 : 1,969,793.55 = 515,183.70 : x
  2. Step 2: Convert to fraction form
    1,314,167.70/1,969,793.55 = 515,183.70/x
  3. Step 3: Cross multiply
    1,314,167.70x = 1,969,793.55 × 515,183.70
  4. Step 4: Simplify right side
    1,314,167.70x = 1,014,805,529,325.14
  5. Step 5: Solve for x
    x = 1,014,805,529,325.14/1,314,167.70
  6. Step 6: Final answer
    x = 772,203.98

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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.