Home / 752,429.70-1,128,644.55-332,525.70

Finding the Fourth Proportional to 752,429.70, 1,128,644.55 and 332,525.70

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Solution

The fourth proportional to 752,429.70, 1,128,644.55 and 332,525.70 is: 498,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,429.70 : 1,128,644.55 = 332,525.70 : x
  2. Step 2: Convert to fraction form
    752,429.70/1,128,644.55 = 332,525.70/x
  3. Step 3: Cross multiply
    752,429.70x = 1,128,644.55 × 332,525.70
  4. Step 4: Simplify right side
    752,429.70x = 375,303,319,039.94
  5. Step 5: Solve for x
    x = 375,303,319,039.94/752,429.70
  6. Step 6: Final answer
    x = 498,788.55

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Double scale
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Similar ratio
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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.