Home / 764,046.40-1,054,057.44-477,371.20

Finding the Fourth Proportional to 764,046.40, 1,054,057.44 and 477,371.20

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Solution

The fourth proportional to 764,046.40, 1,054,057.44 and 477,371.20 is: 658,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,046.40 : 1,054,057.44 = 477,371.20 : x
  2. Step 2: Convert to fraction form
    764,046.40/1,054,057.44 = 477,371.20/x
  3. Step 3: Cross multiply
    764,046.40x = 1,054,057.44 × 477,371.20
  4. Step 4: Simplify right side
    764,046.40x = 503,176,665,001.73
  5. Step 5: Solve for x
    x = 503,176,665,001.73/764,046.40
  6. Step 6: Final answer
    x = 658,568.20

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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.