Home / 961,414.40-1,441,684.20-512,019.92

Finding the Fourth Proportional to 961,414.40, 1,441,684.20 and 512,019.92

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Solution

The fourth proportional to 961,414.40, 1,441,684.20 and 512,019.92 is: 767,796.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,414.40 : 1,441,684.20 = 512,019.92 : x
  2. Step 2: Convert to fraction form
    961,414.40/1,441,684.20 = 512,019.92/x
  3. Step 3: Cross multiply
    961,414.40x = 1,441,684.20 × 512,019.92
  4. Step 4: Simplify right side
    961,414.40x = 738,171,028,749.26
  5. Step 5: Solve for x
    x = 738,171,028,749.26/961,414.40
  6. Step 6: Final answer
    x = 767,796.93

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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.