Home / 1,253,166.92-1,729,325.60-709,291.03

Finding the Fourth Proportional to 1,253,166.92, 1,729,325.60 and 709,291.03

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Solution

The fourth proportional to 1,253,166.92, 1,729,325.60 and 709,291.03 is: 978,796.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,166.92 : 1,729,325.60 = 709,291.03 : x
  2. Step 2: Convert to fraction form
    1,253,166.92/1,729,325.60 = 709,291.03/x
  3. Step 3: Cross multiply
    1,253,166.92x = 1,729,325.60 × 709,291.03
  4. Step 4: Simplify right side
    1,253,166.92x = 1,226,595,123,836.28
  5. Step 5: Solve for x
    x = 1,226,595,123,836.28/1,253,166.92
  6. Step 6: Final answer
    x = 978,796.29

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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.