Home / 733,614.70-1,100,968.80-378,445.90

Finding the Fourth Proportional to 733,614.70, 1,100,968.80 and 378,445.90

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Solution

The fourth proportional to 733,614.70, 1,100,968.80 and 378,445.90 is: 567,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,614.70 : 1,100,968.80 = 378,445.90 : x
  2. Step 2: Convert to fraction form
    733,614.70/1,100,968.80 = 378,445.90/x
  3. Step 3: Cross multiply
    733,614.70x = 1,100,968.80 × 378,445.90
  4. Step 4: Simplify right side
    733,614.70x = 416,657,128,387.92
  5. Step 5: Solve for x
    x = 416,657,128,387.92/733,614.70
  6. Step 6: Final answer
    x = 567,950.90

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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.