Home / 393,844.06-543,285.95-258,096.97

Finding the Fourth Proportional to 393,844.06, 543,285.95 and 258,096.97

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Solution

The fourth proportional to 393,844.06, 543,285.95 and 258,096.97 is: 356,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,844.06 : 543,285.95 = 258,096.97 : x
  2. Step 2: Convert to fraction form
    393,844.06/543,285.95 = 258,096.97/x
  3. Step 3: Cross multiply
    393,844.06x = 543,285.95 × 258,096.97
  4. Step 4: Simplify right side
    393,844.06x = 140,220,454,822.14
  5. Step 5: Solve for x
    x = 140,220,454,822.14/393,844.06
  6. Step 6: Final answer
    x = 356,030.40

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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.