Home / 1,214,133.78-1,675,507.14-670,270.35

Finding the Fourth Proportional to 1,214,133.78, 1,675,507.14 and 670,270.35

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Solution

The fourth proportional to 1,214,133.78, 1,675,507.14 and 670,270.35 is: 924,974.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,133.78 : 1,675,507.14 = 670,270.35 : x
  2. Step 2: Convert to fraction form
    1,214,133.78/1,675,507.14 = 670,270.35/x
  3. Step 3: Cross multiply
    1,214,133.78x = 1,675,507.14 × 670,270.35
  4. Step 4: Simplify right side
    1,214,133.78x = 1,123,042,757,155.30
  5. Step 5: Solve for x
    x = 1,123,042,757,155.30/1,214,133.78
  6. Step 6: Final answer
    x = 924,974.48

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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.