Home / 4,759,576.32-7,142,201.10-1,727,178.78

Finding the Fourth Proportional to 4,759,576.32, 7,142,201.10 and 1,727,178.78

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Solution

The fourth proportional to 4,759,576.32, 7,142,201.10 and 1,727,178.78 is: 2,591,797.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759,576.32 : 7,142,201.10 = 1,727,178.78 : x
  2. Step 2: Convert to fraction form
    4,759,576.32/7,142,201.10 = 1,727,178.78/x
  3. Step 3: Cross multiply
    4,759,576.32x = 7,142,201.10 × 1,727,178.78
  4. Step 4: Simplify right side
    4,759,576.32x = 12,335,858,182,412.66
  5. Step 5: Solve for x
    x = 12,335,858,182,412.66/4,759,576.32
  6. Step 6: Final answer
    x = 2,591,797.54

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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.