Home / 783,984.33-1,081,833.03-439,772.40

Finding the Fourth Proportional to 783,984.33, 1,081,833.03 and 439,772.40

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Solution

The fourth proportional to 783,984.33, 1,081,833.03 and 439,772.40 is: 606,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,984.33 : 1,081,833.03 = 439,772.40 : x
  2. Step 2: Convert to fraction form
    783,984.33/1,081,833.03 = 439,772.40/x
  3. Step 3: Cross multiply
    783,984.33x = 1,081,833.03 × 439,772.40
  4. Step 4: Simplify right side
    783,984.33x = 475,760,308,002.37
  5. Step 5: Solve for x
    x = 475,760,308,002.37/783,984.33
  6. Step 6: Final answer
    x = 606,849.26

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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.