Home / 938,860.67-1,295,616.33-509,135.83

Finding the Fourth Proportional to 938,860.67, 1,295,616.33 and 509,135.83

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Solution

The fourth proportional to 938,860.67, 1,295,616.33 and 509,135.83 is: 702,601.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,860.67 : 1,295,616.33 = 509,135.83 : x
  2. Step 2: Convert to fraction form
    938,860.67/1,295,616.33 = 509,135.83/x
  3. Step 3: Cross multiply
    938,860.67x = 1,295,616.33 × 509,135.83
  4. Step 4: Simplify right side
    938,860.67x = 659,644,692,297.06
  5. Step 5: Solve for x
    x = 659,644,692,297.06/938,860.67
  6. Step 6: Final answer
    x = 702,601.26

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1.5x scale

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.