Home / 764,150.32-1,054,661.88-441,809.20

Finding the Fourth Proportional to 764,150.32, 1,054,661.88 and 441,809.20

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Solution

The fourth proportional to 764,150.32, 1,054,661.88 and 441,809.20 is: 609,774.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,150.32 : 1,054,661.88 = 441,809.20 : x
  2. Step 2: Convert to fraction form
    764,150.32/1,054,661.88 = 441,809.20/x
  3. Step 3: Cross multiply
    764,150.32x = 1,054,661.88 × 441,809.20
  4. Step 4: Simplify right side
    764,150.32x = 465,959,321,473.30
  5. Step 5: Solve for x
    x = 465,959,321,473.30/764,150.32
  6. Step 6: Final answer
    x = 609,774.42

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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.