Home / 388,463.29-583,240.10-199,059.75

Finding the Fourth Proportional to 388,463.29, 583,240.10 and 199,059.75

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Solution

The fourth proportional to 388,463.29, 583,240.10 and 199,059.75 is: 298,868.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,463.29 : 583,240.10 = 199,059.75 : x
  2. Step 2: Convert to fraction form
    388,463.29/583,240.10 = 199,059.75/x
  3. Step 3: Cross multiply
    388,463.29x = 583,240.10 × 199,059.75
  4. Step 4: Simplify right side
    388,463.29x = 116,099,628,495.98
  5. Step 5: Solve for x
    x = 116,099,628,495.98/388,463.29
  6. Step 6: Final answer
    x = 298,868.98

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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.