Home / 703,056.75-1,054,639.78-229,789.95

Finding the Fourth Proportional to 703,056.75, 1,054,639.78 and 229,789.95

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Solution

The fourth proportional to 703,056.75, 1,054,639.78 and 229,789.95 is: 344,702.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,056.75 : 1,054,639.78 = 229,789.95 : x
  2. Step 2: Convert to fraction form
    703,056.75/1,054,639.78 = 229,789.95/x
  3. Step 3: Cross multiply
    703,056.75x = 1,054,639.78 × 229,789.95
  4. Step 4: Simplify right side
    703,056.75x = 242,345,617,784.84
  5. Step 5: Solve for x
    x = 242,345,617,784.84/703,056.75
  6. Step 6: Final answer
    x = 344,702.78

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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.