Home / 579,323.40-869,244.30-263,617.80

Finding the Fourth Proportional to 579,323.40, 869,244.30 and 263,617.80

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Solution

The fourth proportional to 579,323.40, 869,244.30 and 263,617.80 is: 395,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,323.40 : 869,244.30 = 263,617.80 : x
  2. Step 2: Convert to fraction form
    579,323.40/869,244.30 = 263,617.80/x
  3. Step 3: Cross multiply
    579,323.40x = 869,244.30 × 263,617.80
  4. Step 4: Simplify right side
    579,323.40x = 229,148,270,028.54
  5. Step 5: Solve for x
    x = 229,148,270,028.54/579,323.40
  6. Step 6: Final answer
    x = 395,544.65

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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.