Home / 641,538.50-961,245.14-451,068.29

Finding the Fourth Proportional to 641,538.50, 961,245.14 and 451,068.29

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Solution

The fourth proportional to 641,538.50, 961,245.14 and 451,068.29 is: 675,855.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,538.50 : 961,245.14 = 451,068.29 : x
  2. Step 2: Convert to fraction form
    641,538.50/961,245.14 = 451,068.29/x
  3. Step 3: Cross multiply
    641,538.50x = 961,245.14 × 451,068.29
  4. Step 4: Simplify right side
    641,538.50x = 433,587,194,509.04
  5. Step 5: Solve for x
    x = 433,587,194,509.04/641,538.50
  6. Step 6: Final answer
    x = 675,855.30

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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.