Home / 388,552.96-582,827.28-122,332.96

Finding the Fourth Proportional to 388,552.96, 582,827.28 and 122,332.96

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Solution

The fourth proportional to 388,552.96, 582,827.28 and 122,332.96 is: 183,498.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,552.96 : 582,827.28 = 122,332.96 : x
  2. Step 2: Convert to fraction form
    388,552.96/582,827.28 = 122,332.96/x
  3. Step 3: Cross multiply
    388,552.96x = 582,827.28 × 122,332.96
  4. Step 4: Simplify right side
    388,552.96x = 71,298,986,331.15
  5. Step 5: Solve for x
    x = 71,298,986,331.15/388,552.96
  6. Step 6: Final answer
    x = 183,498.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.