Home / 763,665.28-1,053,796.26-441,396.16

Finding the Fourth Proportional to 763,665.28, 1,053,796.26 and 441,396.16

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Solution

The fourth proportional to 763,665.28, 1,053,796.26 and 441,396.16 is: 609,090.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,665.28 : 1,053,796.26 = 441,396.16 : x
  2. Step 2: Convert to fraction form
    763,665.28/1,053,796.26 = 441,396.16/x
  3. Step 3: Cross multiply
    763,665.28x = 1,053,796.26 × 441,396.16
  4. Step 4: Simplify right side
    763,665.28x = 465,141,622,586.36
  5. Step 5: Solve for x
    x = 465,141,622,586.36/763,665.28
  6. Step 6: Final answer
    x = 609,090.97

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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.