Home / 388,943.73-583,960.05-199,537.70

Finding the Fourth Proportional to 388,943.73, 583,960.05 and 199,537.70

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Solution

The fourth proportional to 388,943.73, 583,960.05 and 199,537.70 is: 299,585.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,943.73 : 583,960.05 = 199,537.70 : x
  2. Step 2: Convert to fraction form
    388,943.73/583,960.05 = 199,537.70/x
  3. Step 3: Cross multiply
    388,943.73x = 583,960.05 × 199,537.70
  4. Step 4: Simplify right side
    388,943.73x = 116,522,042,349.09
  5. Step 5: Solve for x
    x = 116,522,042,349.09/388,943.73
  6. Step 6: Final answer
    x = 299,585.86

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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.