Home / 889,691.36-1,227,774.73-481,793.64

Finding the Fourth Proportional to 889,691.36, 1,227,774.73 and 481,793.64

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Solution

The fourth proportional to 889,691.36, 1,227,774.73 and 481,793.64 is: 664,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,691.36 : 1,227,774.73 = 481,793.64 : x
  2. Step 2: Convert to fraction form
    889,691.36/1,227,774.73 = 481,793.64/x
  3. Step 3: Cross multiply
    889,691.36x = 1,227,774.73 × 481,793.64
  4. Step 4: Simplify right side
    889,691.36x = 591,534,058,131.67
  5. Step 5: Solve for x
    x = 591,534,058,131.67/889,691.36
  6. Step 6: Final answer
    x = 664,875.58

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1.5x scale

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.