Home / 889,186.56-1,227,077.28-481,288.32

Finding the Fourth Proportional to 889,186.56, 1,227,077.28 and 481,288.32

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Solution

The fourth proportional to 889,186.56, 1,227,077.28 and 481,288.32 is: 664,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,186.56 : 1,227,077.28 = 481,288.32 : x
  2. Step 2: Convert to fraction form
    889,186.56/1,227,077.28 = 481,288.32/x
  3. Step 3: Cross multiply
    889,186.56x = 1,227,077.28 × 481,288.32
  4. Step 4: Simplify right side
    889,186.56x = 590,577,962,601.37
  5. Step 5: Solve for x
    x = 590,577,962,601.37/889,186.56
  6. Step 6: Final answer
    x = 664,177.79

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Double scale
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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.