Home / 1,165,614.09-1,747,978.20-557,778.48

Finding the Fourth Proportional to 1,165,614.09, 1,747,978.20 and 557,778.48

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Solution

The fourth proportional to 1,165,614.09, 1,747,978.20 and 557,778.48 is: 836,455.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,614.09 : 1,747,978.20 = 557,778.48 : x
  2. Step 2: Convert to fraction form
    1,165,614.09/1,747,978.20 = 557,778.48/x
  3. Step 3: Cross multiply
    1,165,614.09x = 1,747,978.20 × 557,778.48
  4. Step 4: Simplify right side
    1,165,614.09x = 974,984,623,469.14
  5. Step 5: Solve for x
    x = 974,984,623,469.14/1,165,614.09
  6. Step 6: Final answer
    x = 836,455.76

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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.