Home / 579,223.40-869,094.30-263,517.80

Finding the Fourth Proportional to 579,223.40, 869,094.30 and 263,517.80

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Solution

The fourth proportional to 579,223.40, 869,094.30 and 263,517.80 is: 395,394.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,223.40 : 869,094.30 = 263,517.80 : x
  2. Step 2: Convert to fraction form
    579,223.40/869,094.30 = 263,517.80/x
  3. Step 3: Cross multiply
    579,223.40x = 869,094.30 × 263,517.80
  4. Step 4: Simplify right side
    579,223.40x = 229,021,817,928.54
  5. Step 5: Solve for x
    x = 229,021,817,928.54/579,223.40
  6. Step 6: Final answer
    x = 395,394.62

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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.