Home / 544,023.60-815,063.40-262,921.20

Finding the Fourth Proportional to 544,023.60, 815,063.40 and 262,921.20

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Solution

The fourth proportional to 544,023.60, 815,063.40 and 262,921.20 is: 393,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,023.60 : 815,063.40 = 262,921.20 : x
  2. Step 2: Convert to fraction form
    544,023.60/815,063.40 = 262,921.20/x
  3. Step 3: Cross multiply
    544,023.60x = 815,063.40 × 262,921.20
  4. Step 4: Simplify right side
    544,023.60x = 214,297,447,204.08
  5. Step 5: Solve for x
    x = 214,297,447,204.08/544,023.60
  6. Step 6: Final answer
    x = 393,912.04

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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.