Home / 1,754,372.30-2,631,636.21-492,171.98

Finding the Fourth Proportional to 1,754,372.30, 2,631,636.21 and 492,171.98

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Solution

The fourth proportional to 1,754,372.30, 2,631,636.21 and 492,171.98 is: 738,279.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754,372.30 : 2,631,636.21 = 492,171.98 : x
  2. Step 2: Convert to fraction form
    1,754,372.30/2,631,636.21 = 492,171.98/x
  3. Step 3: Cross multiply
    1,754,372.30x = 2,631,636.21 × 492,171.98
  4. Step 4: Simplify right side
    1,754,372.30x = 1,295,217,604,115.40
  5. Step 5: Solve for x
    x = 1,295,217,604,115.40/1,754,372.30
  6. Step 6: Final answer
    x = 738,279.78

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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.