Home / 766,840.32-1,150,260.48-234,362.88

Finding the Fourth Proportional to 766,840.32, 1,150,260.48 and 234,362.88

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Solution

The fourth proportional to 766,840.32, 1,150,260.48 and 234,362.88 is: 351,544.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,840.32 : 1,150,260.48 = 234,362.88 : x
  2. Step 2: Convert to fraction form
    766,840.32/1,150,260.48 = 234,362.88/x
  3. Step 3: Cross multiply
    766,840.32x = 1,150,260.48 × 234,362.88
  4. Step 4: Simplify right side
    766,840.32x = 269,578,358,842.98
  5. Step 5: Solve for x
    x = 269,578,358,842.98/766,840.32
  6. Step 6: Final answer
    x = 351,544.32

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Half scale
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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.