Home / 826,610.85-1,140,722.38-464,035.41

Finding the Fourth Proportional to 826,610.85, 1,140,722.38 and 464,035.41

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Solution

The fourth proportional to 826,610.85, 1,140,722.38 and 464,035.41 is: 640,368.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,610.85 : 1,140,722.38 = 464,035.41 : x
  2. Step 2: Convert to fraction form
    826,610.85/1,140,722.38 = 464,035.41/x
  3. Step 3: Cross multiply
    826,610.85x = 1,140,722.38 × 464,035.41
  4. Step 4: Simplify right side
    826,610.85x = 529,335,577,299.48
  5. Step 5: Solve for x
    x = 529,335,577,299.48/826,610.85
  6. Step 6: Final answer
    x = 640,368.53

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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.