Home / 689,988.03-952,183.36-384,057.87

Finding the Fourth Proportional to 689,988.03, 952,183.36 and 384,057.87

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Solution

The fourth proportional to 689,988.03, 952,183.36 and 384,057.87 is: 529,999.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,988.03 : 952,183.36 = 384,057.87 : x
  2. Step 2: Convert to fraction form
    689,988.03/952,183.36 = 384,057.87/x
  3. Step 3: Cross multiply
    689,988.03x = 952,183.36 × 384,057.87
  4. Step 4: Simplify right side
    689,988.03x = 365,693,513,091.04
  5. Step 5: Solve for x
    x = 365,693,513,091.04/689,988.03
  6. Step 6: Final answer
    x = 529,999.79

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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.