Home / 889,554.40-1,227,585.77-481,656.58

Finding the Fourth Proportional to 889,554.40, 1,227,585.77 and 481,656.58

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Solution

The fourth proportional to 889,554.40, 1,227,585.77 and 481,656.58 is: 664,686.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,554.40 : 1,227,585.77 = 481,656.58 : x
  2. Step 2: Convert to fraction form
    889,554.40/1,227,585.77 = 481,656.58/x
  3. Step 3: Cross multiply
    889,554.40x = 1,227,585.77 × 481,656.58
  4. Step 4: Simplify right side
    889,554.40x = 591,274,763,634.87
  5. Step 5: Solve for x
    x = 591,274,763,634.87/889,554.40
  6. Step 6: Final answer
    x = 664,686.46

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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.