Home / 943,900.21-1,302,540.15-551,469.52

Finding the Fourth Proportional to 943,900.21, 1,302,540.15 and 551,469.52

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Solution

The fourth proportional to 943,900.21, 1,302,540.15 and 551,469.52 is: 761,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,900.21 : 1,302,540.15 = 551,469.52 : x
  2. Step 2: Convert to fraction form
    943,900.21/1,302,540.15 = 551,469.52/x
  3. Step 3: Cross multiply
    943,900.21x = 1,302,540.15 × 551,469.52
  4. Step 4: Simplify right side
    943,900.21x = 718,311,191,301.23
  5. Step 5: Solve for x
    x = 718,311,191,301.23/943,900.21
  6. Step 6: Final answer
    x = 761,003.32

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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.