Home / 449,112.60-619,722.90-267,834.60

Finding the Fourth Proportional to 449,112.60, 619,722.90 and 267,834.60

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Solution

The fourth proportional to 449,112.60, 619,722.90 and 267,834.60 is: 369,580.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,112.60 : 619,722.90 = 267,834.60 : x
  2. Step 2: Convert to fraction form
    449,112.60/619,722.90 = 267,834.60/x
  3. Step 3: Cross multiply
    449,112.60x = 619,722.90 × 267,834.60
  4. Step 4: Simplify right side
    449,112.60x = 165,983,235,032.34
  5. Step 5: Solve for x
    x = 165,983,235,032.34/449,112.60
  6. Step 6: Final answer
    x = 369,580.45

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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.