Home / 769,388.16-1,061,736-429,858.56

Finding the Fourth Proportional to 769,388.16, 1,061,736 and 429,858.56

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Solution

The fourth proportional to 769,388.16, 1,061,736 and 429,858.56 is: 593,193.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,388.16 : 1,061,736 = 429,858.56 : x
  2. Step 2: Convert to fraction form
    769,388.16/1,061,736 = 429,858.56/x
  3. Step 3: Cross multiply
    769,388.16x = 1,061,736 × 429,858.56
  4. Step 4: Simplify right side
    769,388.16x = 456,396,308,060.16
  5. Step 5: Solve for x
    x = 456,396,308,060.16/769,388.16
  6. Step 6: Final answer
    x = 593,193.83

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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.