Home / 719,517.41-992,935.29-397,228.03

Finding the Fourth Proportional to 719,517.41, 992,935.29 and 397,228.03

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Solution

The fourth proportional to 719,517.41, 992,935.29 and 397,228.03 is: 548,175.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,517.41 : 992,935.29 = 397,228.03 : x
  2. Step 2: Convert to fraction form
    719,517.41/992,935.29 = 397,228.03/x
  3. Step 3: Cross multiply
    719,517.41x = 992,935.29 × 397,228.03
  4. Step 4: Simplify right side
    719,517.41x = 394,421,722,213.36
  5. Step 5: Solve for x
    x = 394,421,722,213.36/719,517.41
  6. Step 6: Final answer
    x = 548,175.37

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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.