Home / 767,111.57-1,150,713.48-234,637.21

Finding the Fourth Proportional to 767,111.57, 1,150,713.48 and 234,637.21

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Solution

The fourth proportional to 767,111.57, 1,150,713.48 and 234,637.21 is: 351,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,111.57 : 1,150,713.48 = 234,637.21 : x
  2. Step 2: Convert to fraction form
    767,111.57/1,150,713.48 = 234,637.21/x
  3. Step 3: Cross multiply
    767,111.57x = 1,150,713.48 × 234,637.21
  4. Step 4: Simplify right side
    767,111.57x = 270,000,193,529.84
  5. Step 5: Solve for x
    x = 270,000,193,529.84/767,111.57
  6. Step 6: Final answer
    x = 351,969.92

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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.