Home / 1,374,027.52-2,061,634.56-743,385.28

Finding the Fourth Proportional to 1,374,027.52, 2,061,634.56 and 743,385.28

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Solution

The fourth proportional to 1,374,027.52, 2,061,634.56 and 743,385.28 is: 1,115,398.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,027.52 : 2,061,634.56 = 743,385.28 : x
  2. Step 2: Convert to fraction form
    1,374,027.52/2,061,634.56 = 743,385.28/x
  3. Step 3: Cross multiply
    1,374,027.52x = 2,061,634.56 × 743,385.28
  4. Step 4: Simplify right side
    1,374,027.52x = 1,532,588,784,643.28
  5. Step 5: Solve for x
    x = 1,532,588,784,643.28/1,374,027.52
  6. Step 6: Final answer
    x = 1,115,398.90

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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.