Home / 844,581.19-1,266,871.43-339,142

Finding the Fourth Proportional to 844,581.19, 1,266,871.43 and 339,142

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Solution

The fourth proportional to 844,581.19, 1,266,871.43 and 339,142 is: 508,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,581.19 : 1,266,871.43 = 339,142 : x
  2. Step 2: Convert to fraction form
    844,581.19/1,266,871.43 = 339,142/x
  3. Step 3: Cross multiply
    844,581.19x = 1,266,871.43 × 339,142
  4. Step 4: Simplify right side
    844,581.19x = 429,649,310,513.06
  5. Step 5: Solve for x
    x = 429,649,310,513.06/844,581.19
  6. Step 6: Final answer
    x = 508,712.86

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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.