Home / 464,716.48-641,282.16-257,974.24

Finding the Fourth Proportional to 464,716.48, 641,282.16 and 257,974.24

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Solution

The fourth proportional to 464,716.48, 641,282.16 and 257,974.24 is: 355,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,716.48 : 641,282.16 = 257,974.24 : x
  2. Step 2: Convert to fraction form
    464,716.48/641,282.16 = 257,974.24/x
  3. Step 3: Cross multiply
    464,716.48x = 641,282.16 × 257,974.24
  4. Step 4: Simplify right side
    464,716.48x = 165,434,277,851.56
  5. Step 5: Solve for x
    x = 165,434,277,851.56/464,716.48
  6. Step 6: Final answer
    x = 355,989.69

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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.