Home / 1,070,835.26-1,605,736.19-621,669.20

Finding the Fourth Proportional to 1,070,835.26, 1,605,736.19 and 621,669.20

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Solution

The fourth proportional to 1,070,835.26, 1,605,736.19 and 621,669.20 is: 932,203.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,835.26 : 1,605,736.19 = 621,669.20 : x
  2. Step 2: Convert to fraction form
    1,070,835.26/1,605,736.19 = 621,669.20/x
  3. Step 3: Cross multiply
    1,070,835.26x = 1,605,736.19 × 621,669.20
  4. Step 4: Simplify right side
    1,070,835.26x = 998,236,732,648.35
  5. Step 5: Solve for x
    x = 998,236,732,648.35/1,070,835.26
  6. Step 6: Final answer
    x = 932,203.83

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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.