Home / 449,118.23-673,677.37-358,737.78

Finding the Fourth Proportional to 449,118.23, 673,677.37 and 358,737.78

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Solution

The fourth proportional to 449,118.23, 673,677.37 and 358,737.78 is: 538,106.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,118.23 : 673,677.37 = 358,737.78 : x
  2. Step 2: Convert to fraction form
    449,118.23/673,677.37 = 358,737.78/x
  3. Step 3: Cross multiply
    449,118.23x = 673,677.37 × 358,737.78
  4. Step 4: Simplify right side
    449,118.23x = 241,673,524,308.70
  5. Step 5: Solve for x
    x = 241,673,524,308.70/449,118.23
  6. Step 6: Final answer
    x = 538,106.69

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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.