Home / 467,942.94-645,761.30-253,082.95

Finding the Fourth Proportional to 467,942.94, 645,761.30 and 253,082.95

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Solution

The fourth proportional to 467,942.94, 645,761.30 and 253,082.95 is: 349,254.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,942.94 : 645,761.30 = 253,082.95 : x
  2. Step 2: Convert to fraction form
    467,942.94/645,761.30 = 253,082.95/x
  3. Step 3: Cross multiply
    467,942.94x = 645,761.30 × 253,082.95
  4. Step 4: Simplify right side
    467,942.94x = 163,431,171,920.02
  5. Step 5: Solve for x
    x = 163,431,171,920.02/467,942.94
  6. Step 6: Final answer
    x = 349,254.49

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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.