Home / 957,903.69-1,321,839.48-528,174.66

Finding the Fourth Proportional to 957,903.69, 1,321,839.48 and 528,174.66

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Solution

The fourth proportional to 957,903.69, 1,321,839.48 and 528,174.66 is: 728,843.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,903.69 : 1,321,839.48 = 528,174.66 : x
  2. Step 2: Convert to fraction form
    957,903.69/1,321,839.48 = 528,174.66/x
  3. Step 3: Cross multiply
    957,903.69x = 1,321,839.48 × 528,174.66
  4. Step 4: Simplify right side
    957,903.69x = 698,162,111,314.38
  5. Step 5: Solve for x
    x = 698,162,111,314.38/957,903.69
  6. Step 6: Final answer
    x = 728,843.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.