Home / 885,291.44-1,221,620.16-503,243.60

Finding the Fourth Proportional to 885,291.44, 1,221,620.16 and 503,243.60

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Solution

The fourth proportional to 885,291.44, 1,221,620.16 and 503,243.60 is: 694,429.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,291.44 : 1,221,620.16 = 503,243.60 : x
  2. Step 2: Convert to fraction form
    885,291.44/1,221,620.16 = 503,243.60/x
  3. Step 3: Cross multiply
    885,291.44x = 1,221,620.16 × 503,243.60
  4. Step 4: Simplify right side
    885,291.44x = 614,772,527,150.98
  5. Step 5: Solve for x
    x = 614,772,527,150.98/885,291.44
  6. Step 6: Final answer
    x = 694,429.54

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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.