Home / 483,684.18-667,479.34-268,819.63

Finding the Fourth Proportional to 483,684.18, 667,479.34 and 268,819.63

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Solution

The fourth proportional to 483,684.18, 667,479.34 and 268,819.63 is: 370,968.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,684.18 : 667,479.34 = 268,819.63 : x
  2. Step 2: Convert to fraction form
    483,684.18/667,479.34 = 268,819.63/x
  3. Step 3: Cross multiply
    483,684.18x = 667,479.34 × 268,819.63
  4. Step 4: Simplify right side
    483,684.18x = 179,431,547,878.77
  5. Step 5: Solve for x
    x = 179,431,547,878.77/483,684.18
  6. Step 6: Final answer
    x = 370,968.41

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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.