Home / 1,122,623.34-1,685,197.05-449,179.86

Finding the Fourth Proportional to 1,122,623.34, 1,685,197.05 and 449,179.86

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Solution

The fourth proportional to 1,122,623.34, 1,685,197.05 and 449,179.86 is: 674,274.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,623.34 : 1,685,197.05 = 449,179.86 : x
  2. Step 2: Convert to fraction form
    1,122,623.34/1,685,197.05 = 449,179.86/x
  3. Step 3: Cross multiply
    1,122,623.34x = 1,685,197.05 × 449,179.86
  4. Step 4: Simplify right side
    1,122,623.34x = 756,956,574,991.41
  5. Step 5: Solve for x
    x = 756,956,574,991.41/1,122,623.34
  6. Step 6: Final answer
    x = 674,274.75

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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.