Home / 752,839.48-1,129,406.10-220,369.24

Finding the Fourth Proportional to 752,839.48, 1,129,406.10 and 220,369.24

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Solution

The fourth proportional to 752,839.48, 1,129,406.10 and 220,369.24 is: 330,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,839.48 : 1,129,406.10 = 220,369.24 : x
  2. Step 2: Convert to fraction form
    752,839.48/1,129,406.10 = 220,369.24/x
  3. Step 3: Cross multiply
    752,839.48x = 1,129,406.10 × 220,369.24
  4. Step 4: Simplify right side
    752,839.48x = 248,886,363,908.36
  5. Step 5: Solve for x
    x = 248,886,363,908.36/752,839.48
  6. Step 6: Final answer
    x = 330,596.85

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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.