Home / 733,812.85-1,100,719.28-621,838.45

Finding the Fourth Proportional to 733,812.85, 1,100,719.28 and 621,838.45

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Solution

The fourth proportional to 733,812.85, 1,100,719.28 and 621,838.45 is: 932,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,812.85 : 1,100,719.28 = 621,838.45 : x
  2. Step 2: Convert to fraction form
    733,812.85/1,100,719.28 = 621,838.45/x
  3. Step 3: Cross multiply
    733,812.85x = 1,100,719.28 × 621,838.45
  4. Step 4: Simplify right side
    733,812.85x = 684,469,567,851.12
  5. Step 5: Solve for x
    x = 684,469,567,851.12/733,812.85
  6. Step 6: Final answer
    x = 932,757.68

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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.