Home / 1,358,241.57-1,873,964.61-814,178.85

Finding the Fourth Proportional to 1,358,241.57, 1,873,964.61 and 814,178.85

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Solution

The fourth proportional to 1,358,241.57, 1,873,964.61 and 814,178.85 is: 1,123,321.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,241.57 : 1,873,964.61 = 814,178.85 : x
  2. Step 2: Convert to fraction form
    1,358,241.57/1,873,964.61 = 814,178.85/x
  3. Step 3: Cross multiply
    1,358,241.57x = 1,873,964.61 × 814,178.85
  4. Step 4: Simplify right side
    1,358,241.57x = 1,525,742,351,110.50
  5. Step 5: Solve for x
    x = 1,525,742,351,110.50/1,358,241.57
  6. Step 6: Final answer
    x = 1,123,321.79

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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.