Home / 348,857.32-481,556.30-339,258.72

Finding the Fourth Proportional to 348,857.32, 481,556.30 and 339,258.72

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Solution

The fourth proportional to 348,857.32, 481,556.30 and 339,258.72 is: 468,306.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,857.32 : 481,556.30 = 339,258.72 : x
  2. Step 2: Convert to fraction form
    348,857.32/481,556.30 = 339,258.72/x
  3. Step 3: Cross multiply
    348,857.32x = 481,556.30 × 339,258.72
  4. Step 4: Simplify right side
    348,857.32x = 163,372,173,945.94
  5. Step 5: Solve for x
    x = 163,372,173,945.94/348,857.32
  6. Step 6: Final answer
    x = 468,306.57

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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.