Home / 856,817.60-1,284,351.60-501,648.80

Finding the Fourth Proportional to 856,817.60, 1,284,351.60 and 501,648.80

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Solution

The fourth proportional to 856,817.60, 1,284,351.60 and 501,648.80 is: 751,961.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,817.60 : 1,284,351.60 = 501,648.80 : x
  2. Step 2: Convert to fraction form
    856,817.60/1,284,351.60 = 501,648.80/x
  3. Step 3: Cross multiply
    856,817.60x = 1,284,351.60 × 501,648.80
  4. Step 4: Simplify right side
    856,817.60x = 644,293,438,918.08
  5. Step 5: Solve for x
    x = 644,293,438,918.08/856,817.60
  6. Step 6: Final answer
    x = 751,961.02

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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.