Home / 1,092,619.60-1,638,346.20-460,819.60

Finding the Fourth Proportional to 1,092,619.60, 1,638,346.20 and 460,819.60

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Solution

The fourth proportional to 1,092,619.60, 1,638,346.20 and 460,819.60 is: 690,983.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,619.60 : 1,638,346.20 = 460,819.60 : x
  2. Step 2: Convert to fraction form
    1,092,619.60/1,638,346.20 = 460,819.60/x
  3. Step 3: Cross multiply
    1,092,619.60x = 1,638,346.20 × 460,819.60
  4. Step 4: Simplify right side
    1,092,619.60x = 754,982,040,545.52
  5. Step 5: Solve for x
    x = 754,982,040,545.52/1,092,619.60
  6. Step 6: Final answer
    x = 690,983.43

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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.