Home / 752,771.40-1,129,266.45-247,246.35

Finding the Fourth Proportional to 752,771.40, 1,129,266.45 and 247,246.35

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Solution

The fourth proportional to 752,771.40, 1,129,266.45 and 247,246.35 is: 370,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,771.40 : 1,129,266.45 = 247,246.35 : x
  2. Step 2: Convert to fraction form
    752,771.40/1,129,266.45 = 247,246.35/x
  3. Step 3: Cross multiply
    752,771.40x = 1,129,266.45 × 247,246.35
  4. Step 4: Simplify right side
    752,771.40x = 279,207,007,939.96
  5. Step 5: Solve for x
    x = 279,207,007,939.96/752,771.40
  6. Step 6: Final answer
    x = 370,905.44

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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.