Home / 433,834.66-649,904.46-298,874.89

Finding the Fourth Proportional to 433,834.66, 649,904.46 and 298,874.89

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Solution

The fourth proportional to 433,834.66, 649,904.46 and 298,874.89 is: 447,728.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,834.66 : 649,904.46 = 298,874.89 : x
  2. Step 2: Convert to fraction form
    433,834.66/649,904.46 = 298,874.89/x
  3. Step 3: Cross multiply
    433,834.66x = 649,904.46 × 298,874.89
  4. Step 4: Simplify right side
    433,834.66x = 194,240,123,993.01
  5. Step 5: Solve for x
    x = 194,240,123,993.01/433,834.66
  6. Step 6: Final answer
    x = 447,728.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.