Home / 939,119.11-1,295,984.34-531,212.22

Finding the Fourth Proportional to 939,119.11, 1,295,984.34 and 531,212.22

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Solution

The fourth proportional to 939,119.11, 1,295,984.34 and 531,212.22 is: 733,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,119.11 : 1,295,984.34 = 531,212.22 : x
  2. Step 2: Convert to fraction form
    939,119.11/1,295,984.34 = 531,212.22/x
  3. Step 3: Cross multiply
    939,119.11x = 1,295,984.34 × 531,212.22
  4. Step 4: Simplify right side
    939,119.11x = 688,442,718,336.64
  5. Step 5: Solve for x
    x = 688,442,718,336.64/939,119.11
  6. Step 6: Final answer
    x = 733,072.85

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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.