Home / 942,860.56-1,301,122.76-513,131.60

Finding the Fourth Proportional to 942,860.56, 1,301,122.76 and 513,131.60

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Solution

The fourth proportional to 942,860.56, 1,301,122.76 and 513,131.60 is: 708,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,860.56 : 1,301,122.76 = 513,131.60 : x
  2. Step 2: Convert to fraction form
    942,860.56/1,301,122.76 = 513,131.60/x
  3. Step 3: Cross multiply
    942,860.56x = 1,301,122.76 × 513,131.60
  4. Step 4: Simplify right side
    942,860.56x = 667,647,203,635.22
  5. Step 5: Solve for x
    x = 667,647,203,635.22/942,860.56
  6. Step 6: Final answer
    x = 708,108.10

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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.