Home / 629,045.88-868,165.32-374,397.06

Finding the Fourth Proportional to 629,045.88, 868,165.32 and 374,397.06

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Solution

The fourth proportional to 629,045.88, 868,165.32 and 374,397.06 is: 516,716.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,045.88 : 868,165.32 = 374,397.06 : x
  2. Step 2: Convert to fraction form
    629,045.88/868,165.32 = 374,397.06/x
  3. Step 3: Cross multiply
    629,045.88x = 868,165.32 × 374,397.06
  4. Step 4: Simplify right side
    629,045.88x = 325,038,543,401.96
  5. Step 5: Solve for x
    x = 325,038,543,401.96/629,045.88
  6. Step 6: Final answer
    x = 516,716.75

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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.