Home / 620,828.43-931,045.82-265,747.11

Finding the Fourth Proportional to 620,828.43, 931,045.82 and 265,747.11

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Solution

The fourth proportional to 620,828.43, 931,045.82 and 265,747.11 is: 398,536.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,828.43 : 931,045.82 = 265,747.11 : x
  2. Step 2: Convert to fraction form
    620,828.43/931,045.82 = 265,747.11/x
  3. Step 3: Cross multiply
    620,828.43x = 931,045.82 × 265,747.11
  4. Step 4: Simplify right side
    620,828.43x = 247,422,734,613.85
  5. Step 5: Solve for x
    x = 247,422,734,613.85/620,828.43
  6. Step 6: Final answer
    x = 398,536.41

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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.