Home / 961,744.39-1,443,113.31-422,379.49

Finding the Fourth Proportional to 961,744.39, 1,443,113.31 and 422,379.49

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Solution

The fourth proportional to 961,744.39, 1,443,113.31 and 422,379.49 is: 633,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,744.39 : 1,443,113.31 = 422,379.49 : x
  2. Step 2: Convert to fraction form
    961,744.39/1,443,113.31 = 422,379.49/x
  3. Step 3: Cross multiply
    961,744.39x = 1,443,113.31 × 422,379.49
  4. Step 4: Simplify right side
    961,744.39x = 609,541,463,890.01
  5. Step 5: Solve for x
    x = 609,541,463,890.01/961,744.39
  6. Step 6: Final answer
    x = 633,787.39

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1.5x scale

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.