Home / 1,214,514.62-1,819,777.92-415,360.16

Finding the Fourth Proportional to 1,214,514.62, 1,819,777.92 and 415,360.16

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Solution

The fourth proportional to 1,214,514.62, 1,819,777.92 and 415,360.16 is: 622,358.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,514.62 : 1,819,777.92 = 415,360.16 : x
  2. Step 2: Convert to fraction form
    1,214,514.62/1,819,777.92 = 415,360.16/x
  3. Step 3: Cross multiply
    1,214,514.62x = 1,819,777.92 × 415,360.16
  4. Step 4: Simplify right side
    1,214,514.62x = 755,863,248,015.67
  5. Step 5: Solve for x
    x = 755,863,248,015.67/1,214,514.62
  6. Step 6: Final answer
    x = 622,358.29

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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.