Home / 641,004.58-961,508.51-261,925.32

Finding the Fourth Proportional to 641,004.58, 961,508.51 and 261,925.32

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Solution

The fourth proportional to 641,004.58, 961,508.51 and 261,925.32 is: 392,888.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,004.58 : 961,508.51 = 261,925.32 : x
  2. Step 2: Convert to fraction form
    641,004.58/961,508.51 = 261,925.32/x
  3. Step 3: Cross multiply
    641,004.58x = 961,508.51 × 261,925.32
  4. Step 4: Simplify right side
    641,004.58x = 251,843,424,164.47
  5. Step 5: Solve for x
    x = 251,843,424,164.47/641,004.58
  6. Step 6: Final answer
    x = 392,888.65

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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.