Home / 352,728.11-486,498.07-245,244.35

Finding the Fourth Proportional to 352,728.11, 486,498.07 and 245,244.35

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Solution

The fourth proportional to 352,728.11, 486,498.07 and 245,244.35 is: 338,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,728.11 : 486,498.07 = 245,244.35 : x
  2. Step 2: Convert to fraction form
    352,728.11/486,498.07 = 245,244.35/x
  3. Step 3: Cross multiply
    352,728.11x = 486,498.07 × 245,244.35
  4. Step 4: Simplify right side
    352,728.11x = 119,310,902,953.41
  5. Step 5: Solve for x
    x = 119,310,902,953.41/352,728.11
  6. Step 6: Final answer
    x = 338,251.76

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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.