Home / 764,148.32-1,054,659.12-441,807.20

Finding the Fourth Proportional to 764,148.32, 1,054,659.12 and 441,807.20

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Solution

The fourth proportional to 764,148.32, 1,054,659.12 and 441,807.20 is: 609,771.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,148.32 : 1,054,659.12 = 441,807.20 : x
  2. Step 2: Convert to fraction form
    764,148.32/1,054,659.12 = 441,807.20/x
  3. Step 3: Cross multiply
    764,148.32x = 1,054,659.12 × 441,807.20
  4. Step 4: Simplify right side
    764,148.32x = 465,955,992,761.66
  5. Step 5: Solve for x
    x = 465,955,992,761.66/764,148.32
  6. Step 6: Final answer
    x = 609,771.66

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Double scale
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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.