Home / 744,901.44-1,028,074.67-438,880.01

Finding the Fourth Proportional to 744,901.44, 1,028,074.67 and 438,880.01

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Solution

The fourth proportional to 744,901.44, 1,028,074.67 and 438,880.01 is: 605,719.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,901.44 : 1,028,074.67 = 438,880.01 : x
  2. Step 2: Convert to fraction form
    744,901.44/1,028,074.67 = 438,880.01/x
  3. Step 3: Cross multiply
    744,901.44x = 1,028,074.67 × 438,880.01
  4. Step 4: Simplify right side
    744,901.44x = 451,201,414,115.57
  5. Step 5: Solve for x
    x = 451,201,414,115.57/744,901.44
  6. Step 6: Final answer
    x = 605,719.62

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1.5x scale

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.