Home / 959,164.97-1,438,435.96-319,296.83

Finding the Fourth Proportional to 959,164.97, 1,438,435.96 and 319,296.83

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Solution

The fourth proportional to 959,164.97, 1,438,435.96 and 319,296.83 is: 478,841.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,164.97 : 1,438,435.96 = 319,296.83 : x
  2. Step 2: Convert to fraction form
    959,164.97/1,438,435.96 = 319,296.83/x
  3. Step 3: Cross multiply
    959,164.97x = 1,438,435.96 × 319,296.83
  4. Step 4: Simplify right side
    959,164.97x = 459,288,042,186.01
  5. Step 5: Solve for x
    x = 459,288,042,186.01/959,164.97
  6. Step 6: Final answer
    x = 478,841.55

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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.