Home / 629,263.11-868,355.04-367,642.71

Finding the Fourth Proportional to 629,263.11, 868,355.04 and 367,642.71

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Solution

The fourth proportional to 629,263.11, 868,355.04 and 367,642.71 is: 507,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,263.11 : 868,355.04 = 367,642.71 : x
  2. Step 2: Convert to fraction form
    629,263.11/868,355.04 = 367,642.71/x
  3. Step 3: Cross multiply
    629,263.11x = 868,355.04 × 367,642.71
  4. Step 4: Simplify right side
    629,263.11x = 319,244,400,147.76
  5. Step 5: Solve for x
    x = 319,244,400,147.76/629,263.11
  6. Step 6: Final answer
    x = 507,330.55

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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.