Home / 629,797.32-868,965.18-384,719.64

Finding the Fourth Proportional to 629,797.32, 868,965.18 and 384,719.64

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Solution

The fourth proportional to 629,797.32, 868,965.18 and 384,719.64 is: 530,818.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,797.32 : 868,965.18 = 384,719.64 : x
  2. Step 2: Convert to fraction form
    629,797.32/868,965.18 = 384,719.64/x
  3. Step 3: Cross multiply
    629,797.32x = 868,965.18 × 384,719.64
  4. Step 4: Simplify right side
    629,797.32x = 334,307,971,222.14
  5. Step 5: Solve for x
    x = 334,307,971,222.14/629,797.32
  6. Step 6: Final answer
    x = 530,818.35

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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.