Home / 578,838.40-868,257.60-263,910.40

Finding the Fourth Proportional to 578,838.40, 868,257.60 and 263,910.40

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Solution

The fourth proportional to 578,838.40, 868,257.60 and 263,910.40 is: 395,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,838.40 : 868,257.60 = 263,910.40 : x
  2. Step 2: Convert to fraction form
    578,838.40/868,257.60 = 263,910.40/x
  3. Step 3: Cross multiply
    578,838.40x = 868,257.60 × 263,910.40
  4. Step 4: Simplify right side
    578,838.40x = 229,142,210,519.04
  5. Step 5: Solve for x
    x = 229,142,210,519.04/578,838.40
  6. Step 6: Final answer
    x = 395,865.60

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Similar ratio
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1.5x scale

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.