Home / 402,023.04-554,231.34-329,171.64

Finding the Fourth Proportional to 402,023.04, 554,231.34 and 329,171.64

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Solution

The fourth proportional to 402,023.04, 554,231.34 and 329,171.64 is: 453,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,023.04 : 554,231.34 = 329,171.64 : x
  2. Step 2: Convert to fraction form
    402,023.04/554,231.34 = 329,171.64/x
  3. Step 3: Cross multiply
    402,023.04x = 554,231.34 × 329,171.64
  4. Step 4: Simplify right side
    402,023.04x = 182,437,239,127.20
  5. Step 5: Solve for x
    x = 182,437,239,127.20/402,023.04
  6. Step 6: Final answer
    x = 453,797.97

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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.