Home / 4,760,128.12-7,140,421.82-1,565,183.56

Finding the Fourth Proportional to 4,760,128.12, 7,140,421.82 and 1,565,183.56

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Solution

The fourth proportional to 4,760,128.12, 7,140,421.82 and 1,565,183.56 is: 2,347,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760,128.12 : 7,140,421.82 = 1,565,183.56 : x
  2. Step 2: Convert to fraction form
    4,760,128.12/7,140,421.82 = 1,565,183.56/x
  3. Step 3: Cross multiply
    4,760,128.12x = 7,140,421.82 × 1,565,183.56
  4. Step 4: Simplify right side
    4,760,128.12x = 11,176,070,844,129.28
  5. Step 5: Solve for x
    x = 11,176,070,844,129.28/4,760,128.12
  6. Step 6: Final answer
    x = 2,347,850.85

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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.