Home / 826,270.66-1,140,297-463,675.78

Finding the Fourth Proportional to 826,270.66, 1,140,297 and 463,675.78

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Solution

The fourth proportional to 826,270.66, 1,140,297 and 463,675.78 is: 639,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,270.66 : 1,140,297 = 463,675.78 : x
  2. Step 2: Convert to fraction form
    826,270.66/1,140,297 = 463,675.78/x
  3. Step 3: Cross multiply
    826,270.66x = 1,140,297 × 463,675.78
  4. Step 4: Simplify right side
    826,270.66x = 528,728,100,906.66
  5. Step 5: Solve for x
    x = 528,728,100,906.66/826,270.66
  6. Step 6: Final answer
    x = 639,896.98

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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.