Home / 889,407.26-1,227,373.48-481,498.64

Finding the Fourth Proportional to 889,407.26, 1,227,373.48 and 481,498.64

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Solution

The fourth proportional to 889,407.26, 1,227,373.48 and 481,498.64 is: 664,463.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,407.26 : 1,227,373.48 = 481,498.64 : x
  2. Step 2: Convert to fraction form
    889,407.26/1,227,373.48 = 481,498.64/x
  3. Step 3: Cross multiply
    889,407.26x = 1,227,373.48 × 481,498.64
  4. Step 4: Simplify right side
    889,407.26x = 590,978,661,392.07
  5. Step 5: Solve for x
    x = 590,978,661,392.07/889,407.26
  6. Step 6: Final answer
    x = 664,463.50

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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.