Home / 629,968.90-869,380.24-358,082.54

Finding the Fourth Proportional to 629,968.90, 869,380.24 and 358,082.54

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Solution

The fourth proportional to 629,968.90, 869,380.24 and 358,082.54 is: 494,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,968.90 : 869,380.24 = 358,082.54 : x
  2. Step 2: Convert to fraction form
    629,968.90/869,380.24 = 358,082.54/x
  3. Step 3: Cross multiply
    629,968.90x = 869,380.24 × 358,082.54
  4. Step 4: Simplify right side
    629,968.90x = 311,309,884,565.01
  5. Step 5: Solve for x
    x = 311,309,884,565.01/629,968.90
  6. Step 6: Final answer
    x = 494,167.07

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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.