Home / 386,497.04-533,357.64-216,727.44

Finding the Fourth Proportional to 386,497.04, 533,357.64 and 216,727.44

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Solution

The fourth proportional to 386,497.04, 533,357.64 and 216,727.44 is: 299,079.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,497.04 : 533,357.64 = 216,727.44 : x
  2. Step 2: Convert to fraction form
    386,497.04/533,357.64 = 216,727.44/x
  3. Step 3: Cross multiply
    386,497.04x = 533,357.64 × 216,727.44
  4. Step 4: Simplify right side
    386,497.04x = 115,593,235,921.64
  5. Step 5: Solve for x
    x = 115,593,235,921.64/386,497.04
  6. Step 6: Final answer
    x = 299,079.23

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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.