Home / 764,996.56-1,055,732.64-425,457.52

Finding the Fourth Proportional to 764,996.56, 1,055,732.64 and 425,457.52

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Solution

The fourth proportional to 764,996.56, 1,055,732.64 and 425,457.52 is: 587,152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,996.56 : 1,055,732.64 = 425,457.52 : x
  2. Step 2: Convert to fraction form
    764,996.56/1,055,732.64 = 425,457.52/x
  3. Step 3: Cross multiply
    764,996.56x = 1,055,732.64 × 425,457.52
  4. Step 4: Simplify right side
    764,996.56x = 449,169,390,797.45
  5. Step 5: Solve for x
    x = 449,169,390,797.45/764,996.56
  6. Step 6: Final answer
    x = 587,152.17

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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.