Home / 679,455.20-937,651.24-373,558.60

Finding the Fourth Proportional to 679,455.20, 937,651.24 and 373,558.60

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Solution

The fourth proportional to 679,455.20, 937,651.24 and 373,558.60 is: 515,512.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,455.20 : 937,651.24 = 373,558.60 : x
  2. Step 2: Convert to fraction form
    679,455.20/937,651.24 = 373,558.60/x
  3. Step 3: Cross multiply
    679,455.20x = 937,651.24 × 373,558.60
  4. Step 4: Simplify right side
    679,455.20x = 350,267,686,141.68
  5. Step 5: Solve for x
    x = 350,267,686,141.68/679,455.20
  6. Step 6: Final answer
    x = 515,512.55

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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.