Home / 629,498.80-868,708.38-343,018.84

Finding the Fourth Proportional to 629,498.80, 868,708.38 and 343,018.84

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Solution

The fourth proportional to 629,498.80, 868,708.38 and 343,018.84 is: 473,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,498.80 : 868,708.38 = 343,018.84 : x
  2. Step 2: Convert to fraction form
    629,498.80/868,708.38 = 343,018.84/x
  3. Step 3: Cross multiply
    629,498.80x = 868,708.38 × 343,018.84
  4. Step 4: Simplify right side
    629,498.80x = 297,983,340,805.88
  5. Step 5: Solve for x
    x = 297,983,340,805.88/629,498.80
  6. Step 6: Final answer
    x = 473,366.02

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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.