Home / 463,440.40-694,642.20-263,856.40

Finding the Fourth Proportional to 463,440.40, 694,642.20 and 263,856.40

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Solution

The fourth proportional to 463,440.40, 694,642.20 and 263,856.40 is: 395,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,440.40 : 694,642.20 = 263,856.40 : x
  2. Step 2: Convert to fraction form
    463,440.40/694,642.20 = 263,856.40/x
  3. Step 3: Cross multiply
    463,440.40x = 694,642.20 × 263,856.40
  4. Step 4: Simplify right side
    463,440.40x = 183,285,790,180.08
  5. Step 5: Solve for x
    x = 183,285,790,180.08/463,440.40
  6. Step 6: Final answer
    x = 395,489.45

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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.