Home / 629,419.53-868,598.94-342,939.62

Finding the Fourth Proportional to 629,419.53, 868,598.94 and 342,939.62

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Solution

The fourth proportional to 629,419.53, 868,598.94 and 342,939.62 is: 473,256.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,419.53 : 868,598.94 = 342,939.62 : x
  2. Step 2: Convert to fraction form
    629,419.53/868,598.94 = 342,939.62/x
  3. Step 3: Cross multiply
    629,419.53x = 868,598.94 × 342,939.62
  4. Step 4: Simplify right side
    629,419.53x = 297,876,986,073.01
  5. Step 5: Solve for x
    x = 297,876,986,073.01/629,419.53
  6. Step 6: Final answer
    x = 473,256.66

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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.