Home / 889,923.78-1,227,755.82-657,907.84

Finding the Fourth Proportional to 889,923.78, 1,227,755.82 and 657,907.84

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Solution

The fourth proportional to 889,923.78, 1,227,755.82 and 657,907.84 is: 907,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,923.78 : 1,227,755.82 = 657,907.84 : x
  2. Step 2: Convert to fraction form
    889,923.78/1,227,755.82 = 657,907.84/x
  3. Step 3: Cross multiply
    889,923.78x = 1,227,755.82 × 657,907.84
  4. Step 4: Simplify right side
    889,923.78x = 807,750,179,583.63
  5. Step 5: Solve for x
    x = 807,750,179,583.63/889,923.78
  6. Step 6: Final answer
    x = 907,662.20

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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.