Home / 876,112.88-1,314,331.36-277,224.80

Finding the Fourth Proportional to 876,112.88, 1,314,331.36 and 277,224.80

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Solution

The fourth proportional to 876,112.88, 1,314,331.36 and 277,224.80 is: 415,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,112.88 : 1,314,331.36 = 277,224.80 : x
  2. Step 2: Convert to fraction form
    876,112.88/1,314,331.36 = 277,224.80/x
  3. Step 3: Cross multiply
    876,112.88x = 1,314,331.36 × 277,224.80
  4. Step 4: Simplify right side
    876,112.88x = 364,365,248,409.73
  5. Step 5: Solve for x
    x = 364,365,248,409.73/876,112.88
  6. Step 6: Final answer
    x = 415,888.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.