Home / 741,012.73-1,022,584.21-418,715.89

Finding the Fourth Proportional to 741,012.73, 1,022,584.21 and 418,715.89

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Solution

The fourth proportional to 741,012.73, 1,022,584.21 and 418,715.89 is: 577,820.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,012.73 : 1,022,584.21 = 418,715.89 : x
  2. Step 2: Convert to fraction form
    741,012.73/1,022,584.21 = 418,715.89/x
  3. Step 3: Cross multiply
    741,012.73x = 1,022,584.21 × 418,715.89
  4. Step 4: Simplify right side
    741,012.73x = 428,172,257,590.10
  5. Step 5: Solve for x
    x = 428,172,257,590.10/741,012.73
  6. Step 6: Final answer
    x = 577,820.38

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1.5x scale

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.