Home / 741,301.70-1,111,952.55-488,921.90

Finding the Fourth Proportional to 741,301.70, 1,111,952.55 and 488,921.90

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Solution

The fourth proportional to 741,301.70, 1,111,952.55 and 488,921.90 is: 733,382.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,301.70 : 1,111,952.55 = 488,921.90 : x
  2. Step 2: Convert to fraction form
    741,301.70/1,111,952.55 = 488,921.90/x
  3. Step 3: Cross multiply
    741,301.70x = 1,111,952.55 × 488,921.90
  4. Step 4: Simplify right side
    741,301.70x = 543,657,953,455.85
  5. Step 5: Solve for x
    x = 543,657,953,455.85/741,301.70
  6. Step 6: Final answer
    x = 733,382.85

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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.