Home / 928,679.54-1,393,019.60-613,062.63

Finding the Fourth Proportional to 928,679.54, 1,393,019.60 and 613,062.63

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Solution

The fourth proportional to 928,679.54, 1,393,019.60 and 613,062.63 is: 919,594.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,679.54 : 1,393,019.60 = 613,062.63 : x
  2. Step 2: Convert to fraction form
    928,679.54/1,393,019.60 = 613,062.63/x
  3. Step 3: Cross multiply
    928,679.54x = 1,393,019.60 × 613,062.63
  4. Step 4: Simplify right side
    928,679.54x = 854,008,256,552.24
  5. Step 5: Solve for x
    x = 854,008,256,552.24/928,679.54
  6. Step 6: Final answer
    x = 919,594.14

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1.5x scale

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.