Home / 925,940.78-1,277,847.91-518,018.29

Finding the Fourth Proportional to 925,940.78, 1,277,847.91 and 518,018.29

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Solution

The fourth proportional to 925,940.78, 1,277,847.91 and 518,018.29 is: 714,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,940.78 : 1,277,847.91 = 518,018.29 : x
  2. Step 2: Convert to fraction form
    925,940.78/1,277,847.91 = 518,018.29/x
  3. Step 3: Cross multiply
    925,940.78x = 1,277,847.91 × 518,018.29
  4. Step 4: Simplify right side
    925,940.78x = 661,948,586,628.18
  5. Step 5: Solve for x
    x = 661,948,586,628.18/925,940.78
  6. Step 6: Final answer
    x = 714,893.00

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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.