Home / 919,713.41-1,269,195.32-511,808.27

Finding the Fourth Proportional to 919,713.41, 1,269,195.32 and 511,808.27

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Solution

The fourth proportional to 919,713.41, 1,269,195.32 and 511,808.27 is: 706,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,713.41 : 1,269,195.32 = 511,808.27 : x
  2. Step 2: Convert to fraction form
    919,713.41/1,269,195.32 = 511,808.27/x
  3. Step 3: Cross multiply
    919,713.41x = 1,269,195.32 × 511,808.27
  4. Step 4: Simplify right side
    919,713.41x = 649,584,652,116.28
  5. Step 5: Solve for x
    x = 649,584,652,116.28/919,713.41
  6. Step 6: Final answer
    x = 706,290.29

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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.