Home / 752,748.50-1,129,344.56-303,238.06

Finding the Fourth Proportional to 752,748.50, 1,129,344.56 and 303,238.06

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Solution

The fourth proportional to 752,748.50, 1,129,344.56 and 303,238.06 is: 454,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,748.50 : 1,129,344.56 = 303,238.06 : x
  2. Step 2: Convert to fraction form
    752,748.50/1,129,344.56 = 303,238.06/x
  3. Step 3: Cross multiply
    752,748.50x = 1,129,344.56 × 303,238.06
  4. Step 4: Simplify right side
    752,748.50x = 342,460,253,445.95
  5. Step 5: Solve for x
    x = 342,460,253,445.95/752,748.50
  6. Step 6: Final answer
    x = 454,946.44

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1.5x scale

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.