Home / 641,539.74-961,247.01-451,069.54

Finding the Fourth Proportional to 641,539.74, 961,247.01 and 451,069.54

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Solution

The fourth proportional to 641,539.74, 961,247.01 and 451,069.54 is: 675,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,539.74 : 961,247.01 = 451,069.54 : x
  2. Step 2: Convert to fraction form
    641,539.74/961,247.01 = 451,069.54/x
  3. Step 3: Cross multiply
    641,539.74x = 961,247.01 × 451,069.54
  4. Step 4: Simplify right side
    641,539.74x = 433,589,246,627.08
  5. Step 5: Solve for x
    x = 433,589,246,627.08/641,539.74
  6. Step 6: Final answer
    x = 675,857.19

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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.