Home / 753,115.98-1,039,040.24-481,342.96

Finding the Fourth Proportional to 753,115.98, 1,039,040.24 and 481,342.96

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Solution

The fourth proportional to 753,115.98, 1,039,040.24 and 481,342.96 is: 664,087.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,115.98 : 1,039,040.24 = 481,342.96 : x
  2. Step 2: Convert to fraction form
    753,115.98/1,039,040.24 = 481,342.96/x
  3. Step 3: Cross multiply
    753,115.98x = 1,039,040.24 × 481,342.96
  4. Step 4: Simplify right side
    753,115.98x = 500,134,704,680.71
  5. Step 5: Solve for x
    x = 500,134,704,680.71/753,115.98
  6. Step 6: Final answer
    x = 664,087.23

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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.