Home / 1,161,738.60-1,742,694.30-413,687.40

Finding the Fourth Proportional to 1,161,738.60, 1,742,694.30 and 413,687.40

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Solution

The fourth proportional to 1,161,738.60, 1,742,694.30 and 413,687.40 is: 620,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,738.60 : 1,742,694.30 = 413,687.40 : x
  2. Step 2: Convert to fraction form
    1,161,738.60/1,742,694.30 = 413,687.40/x
  3. Step 3: Cross multiply
    1,161,738.60x = 1,742,694.30 × 413,687.40
  4. Step 4: Simplify right side
    1,161,738.60x = 720,930,673,961.82
  5. Step 5: Solve for x
    x = 720,930,673,961.82/1,161,738.60
  6. Step 6: Final answer
    x = 620,561.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.