Home / 1,419,277.40-1,958,310.43-815,548.76

Finding the Fourth Proportional to 1,419,277.40, 1,958,310.43 and 815,548.76

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Solution

The fourth proportional to 1,419,277.40, 1,958,310.43 and 815,548.76 is: 1,125,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,277.40 : 1,958,310.43 = 815,548.76 : x
  2. Step 2: Convert to fraction form
    1,419,277.40/1,958,310.43 = 815,548.76/x
  3. Step 3: Cross multiply
    1,419,277.40x = 1,958,310.43 × 815,548.76
  4. Step 4: Simplify right side
    1,419,277.40x = 1,597,097,631,051.14
  5. Step 5: Solve for x
    x = 1,597,097,631,051.14/1,419,277.40
  6. Step 6: Final answer
    x = 1,125,289.28

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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.