Home / 436,710.07-655,057.79-196,690.47

Finding the Fourth Proportional to 436,710.07, 655,057.79 and 196,690.47

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Solution

The fourth proportional to 436,710.07, 655,057.79 and 196,690.47 is: 295,032.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,710.07 : 655,057.79 = 196,690.47 : x
  2. Step 2: Convert to fraction form
    436,710.07/655,057.79 = 196,690.47/x
  3. Step 3: Cross multiply
    436,710.07x = 655,057.79 × 196,690.47
  4. Step 4: Simplify right side
    436,710.07x = 128,843,622,996.32
  5. Step 5: Solve for x
    x = 128,843,622,996.32/436,710.07
  6. Step 6: Final answer
    x = 295,032.41

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1.5x scale

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.