Home / 467,838.31-645,620.73-258,292.95

Finding the Fourth Proportional to 467,838.31, 645,620.73 and 258,292.95

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Solution

The fourth proportional to 467,838.31, 645,620.73 and 258,292.95 is: 356,446.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,838.31 : 645,620.73 = 258,292.95 : x
  2. Step 2: Convert to fraction form
    467,838.31/645,620.73 = 258,292.95/x
  3. Step 3: Cross multiply
    467,838.31x = 645,620.73 × 258,292.95
  4. Step 4: Simplify right side
    467,838.31x = 166,759,285,717.05
  5. Step 5: Solve for x
    x = 166,759,285,717.05/467,838.31
  6. Step 6: Final answer
    x = 356,446.41

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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.