Home / 1,617,514.34-2,232,177.21-892,361.78

Finding the Fourth Proportional to 1,617,514.34, 2,232,177.21 and 892,361.78

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Solution

The fourth proportional to 1,617,514.34, 2,232,177.21 and 892,361.78 is: 1,231,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,514.34 : 2,232,177.21 = 892,361.78 : x
  2. Step 2: Convert to fraction form
    1,617,514.34/2,232,177.21 = 892,361.78/x
  3. Step 3: Cross multiply
    1,617,514.34x = 2,232,177.21 × 892,361.78
  4. Step 4: Simplify right side
    1,617,514.34x = 1,991,909,612,768.34
  5. Step 5: Solve for x
    x = 1,991,909,612,768.34/1,617,514.34
  6. Step 6: Final answer
    x = 1,231,463.34

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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.