Home / 679,519.91-937,739.34-373,627.56

Finding the Fourth Proportional to 679,519.91, 937,739.34 and 373,627.56

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Solution

The fourth proportional to 679,519.91, 937,739.34 and 373,627.56 is: 515,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,519.91 : 937,739.34 = 373,627.56 : x
  2. Step 2: Convert to fraction form
    679,519.91/937,739.34 = 373,627.56/x
  3. Step 3: Cross multiply
    679,519.91x = 937,739.34 × 373,627.56
  4. Step 4: Simplify right side
    679,519.91x = 350,365,258,003.69
  5. Step 5: Solve for x
    x = 350,365,258,003.69/679,519.91
  6. Step 6: Final answer
    x = 515,607.06

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1.5x scale

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.