Home / 681,055.24-939,023.46-425,963.56

Finding the Fourth Proportional to 681,055.24, 939,023.46 and 425,963.56

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Solution

The fourth proportional to 681,055.24, 939,023.46 and 425,963.56 is: 587,308.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,055.24 : 939,023.46 = 425,963.56 : x
  2. Step 2: Convert to fraction form
    681,055.24/939,023.46 = 425,963.56/x
  3. Step 3: Cross multiply
    681,055.24x = 939,023.46 × 425,963.56
  4. Step 4: Simplify right side
    681,055.24x = 399,989,775,945.12
  5. Step 5: Solve for x
    x = 399,989,775,945.12/681,055.24
  6. Step 6: Final answer
    x = 587,308.86

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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.