Home / 907,839-1,361,635.90-375,286.16

Finding the Fourth Proportional to 907,839, 1,361,635.90 and 375,286.16

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Solution

The fourth proportional to 907,839, 1,361,635.90 and 375,286.16 is: 562,878.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,839 : 1,361,635.90 = 375,286.16 : x
  2. Step 2: Convert to fraction form
    907,839/1,361,635.90 = 375,286.16/x
  3. Step 3: Cross multiply
    907,839x = 1,361,635.90 × 375,286.16
  4. Step 4: Simplify right side
    907,839x = 511,003,108,229.14
  5. Step 5: Solve for x
    x = 511,003,108,229.14/907,839
  6. Step 6: Final answer
    x = 562,878.56

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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.