Home / 1,011,229.85-1,395,488.90-552,344.72

Finding the Fourth Proportional to 1,011,229.85, 1,395,488.90 and 552,344.72

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Solution

The fourth proportional to 1,011,229.85, 1,395,488.90 and 552,344.72 is: 762,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,229.85 : 1,395,488.90 = 552,344.72 : x
  2. Step 2: Convert to fraction form
    1,011,229.85/1,395,488.90 = 552,344.72/x
  3. Step 3: Cross multiply
    1,011,229.85x = 1,395,488.90 × 552,344.72
  4. Step 4: Simplify right side
    1,011,229.85x = 770,790,918,756.16
  5. Step 5: Solve for x
    x = 770,790,918,756.16/1,011,229.85
  6. Step 6: Final answer
    x = 762,231.18

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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.